Easy math questions and answers

Easy math questions and answers

Easy math questions and answers

Embark on a journey of numerical discovery with our collection of easy math questions and answers. Perfect for beginners and those looking to brush up on their basic arithmetic skills, these questions cover a wide range of topics, from simple addition and subtraction to multiplication and division. Whether you're a student struggling with math homework or an adult looking to improve your numeracy, our curated selection offers a straightforward approach to learning math. With clear explanations and step-by-step solutions, mastering basic math concepts has never been easier.

Dive into the world of numbers with our user-friendly compilation of easy math questions and answers. Designed to build confidence and proficiency in mathematics, these questions provide a gentle introduction to key concepts such as fractions, decimals, and percentages. Whether you're preparing for a math quiz or simply seeking to sharpen your math skills, our collection offers a wealth of practice opportunities. With easy-to-follow explanations and helpful tips, you'll soon find yourself solving math problems with ease and precision.

Ready to conquer your fear of math? Our collection of easy math questions and answers is here to help. Whether you're struggling with basic arithmetic or just looking for some extra practice, these questions cover all the essentials. From simple addition and subtraction to more complex topics like algebra and geometry, our collection has something for everyone. With clear explanations and step-by-step solutions, you'll build confidence in your math abilities and tackle even the trickiest problems with ease. So, why wait? Dive into our collection today and start mastering math the easy way!

Easy math questions and answers

Mathematics

Q1. What is Mathematics?

Ans. Mathematics or math is the study of quantity, magnitude, and relations of numbers or symbols.

Q2. What are the main branches of Mathematics?

Ans. The main branches of Mathematics are: algebra, analysis, arithmetic, combinatorics, Euclidean and non-Euclidean geometries, game theory, number theory, numerical analysis, optimization, probability, set theory, statistics, topology, and trigonometry..

Q3. What is a number system?

Ans. A number system is any set of symbols used to represent numbers. The most common number system is the decimal system, which uses a base of 10. Other common number systems include the binary system (base 2), the octal system (base 8), and the hexadecimal system (base 16).

Q4. What is a real number?

Ans. A real number is any value that can be represented on the number line. Real numbers include both rational and irrational numbers.

Q5. What are the benefits of using real numbers?

Ans. Real numbers are useful because they can be used to represent any value on the number line. This makes them very versatile and convenient for mathematical calculations.

Q6. What are some examples of real numbers?

Ans. Some examples of real numbers include: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 0, -1, -2, -3, -4, -5, -6, -7, -8, -9, -10, 1/2, 1/3, 2/3, 1/4, 3/4, 1/5, 2/5, 3/5, 4/5, 1/6, 5/6, 0.5, 0.75, 1.5, -0.5, -0.75, -1.5, .333, .666, -.333, -.666, pi, e.

Q7. What is a number line?

Ans. A number line is a line that represents all real numbers. The numbers are usually evenly spaced out, and the line extends infinitely in both directions.

Q8. what are natural numbers?

Ans. Natural numbers are any positive integers.For example: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10

Q9. What are whole numbers?

Ans. Whole numbers are any positive integers, including 0. For example: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10

Q10. What are Even numbers?

Ans. Even numbers are any integer that can be divided evenly by 2. Examples of even numbers include: 2, 4, 6, 8, 10.

Q11. What are Odd numbers with examples?

Ans. Odd numbers are any integer that cannot be divided evenly by 2. Examples of odd numbers include: 1, 3, 5, 7, 9, 11.

Q12. What is an integer?

Ans. An integer is a whole number, negative or positive, including 0..

Q13. What is a rational number?

Ans. A rational number is any number that can be expressed as a fraction of two integers, where the denominator is not equal to zero.

Q14. What is an irrational number?

Ans. An irrational number is a number that cannot be expressed as a fraction of two integers, or as a ratio between two rational numbers.

Q15. What is the base of the decimal number system?

Ans. The base of the decimal number system is 10..

Q16. What is the binary number system?

Ans. The binary number system is a base-2 system that uses only the two digits 0 and 1..

Q17. What is the base of the binary number system?

Ans. The base of the binary number system is 2.

Q18. What is the base of the octal number system?

Ans. The base of the octal number system is 8.

Q19. How many digits are in the octal number system?

Ans. The octal number system uses eight digits, 0-7..

Q20. What is the base of the hexadecimal number system?

Ans. The base of the hexadecimal number system is 16.

Q21. How many digits are in the hexadecimal number system?

Ans. The hexadecimal number system uses sixteen digits, 0-9 and A-F.

Q22. What is the definition of Arithmetic?

Ans. Arithmetic is the branch of mathematics that deals with the manipulation of numbers and the properties of operations such as addition, subtraction, multiplication, and division.

Q23. What is the difference between Arithmetic and Algebra?

Ans. Arithmetic deals with the manipulation of numbers and basic operations, while algebra focuses on the relationship between unknown values and the use of equations to solve them.

Q24. What are the basic operations of Arithmetic?

Ans. The basic operations of Arithmetic are addition, subtraction, multiplication, and division.

Q25. How is Arithmetic used in everyday life?

Ans. Arithmetic is used in everyday life for a variety of tasks such as budgeting, calculating discounts, figuring out how much time it will take to complete a task, and more.

Q26. What is an example of a problem that can be solved with Arithmetic?

Ans. An example of a problem that can be solved with Arithmetic is calculating the total cost of an item after a certain percentage discount has been applied.

Q27. How can Arithmetic be used to calculate percentages?

Ans. Arithmetic can be used to calculate percentages by dividing the percentage by 100 and multiplying it by the original number.

Q28. What is the order of operations in Arithmetic?

Ans. The order of operations in Arithmetic is Parentheses, Exponents, Multiplication and Division, Addition and Subtraction.

Q29. What is Algebra?

Ans. Algebra is a branch of mathematics that uses symbols, equations, and formulas to describe and analyze mathematical relationships.

Q30. What is an equation in Algebra?

Ans. An equation in Algebra is a mathematical statement that two expressions are equal.

Q31. What is the purpose of Algebra?

Ans. The purpose of Algebra is to help solve real-world problems by representing them in mathematical form.

Q32. What is the definition of a variable?

Ans. A variable is a symbol in Algebra that represents a number or an unknown value.

Q33. What is a coefficient in Algebra?

Ans. A coefficient in Algebra is a numerical factor that multiplies a variable in an equation.

Q34. How do you solve an equation?

Ans. To solve an equation, you must use mathematical operations to find the value of the unknown variable.

Q35. What is the difference between an equation and an expression?

Ans. An equation is a statement of equality between two expressions, while an expression is a numerical or symbolic expression that represents a value.

Q36. What is the difference between linear and non-linear equations?

Ans. Linear equations involve only one variable, while non-linear equations involve more than one variable.

Q37. What is a matrix?

Ans. A matrix is an array of numbers arranged into rows and columns.

Q38. What is a 3x2 matrix?

Ans. A 3x2 matrix is a matrix with three rows and two columns.

Q39. What is a transpose of a matrix?

Ans. A transpose of a matrix is a new matrix formed by exchanging the rows and columns of the original matrix.

Q40. What is the inverse of a matrix?

Ans. The inverse of a matrix is a matrix that, when multiplied by the original matrix, produces an identity matrix.

Q41. What is a row vector?

Ans. A row vector is an array of numbers arranged in a single row.

Q42. What is a column vector?

Ans. A column vector is an array of numbers arranged in a single column.

Q43. What is a scalar matrix?

Ans. A scalar matrix is a matrix where all entries are the same number, or scalar.

Q44. What is the identity matrix?

Ans. The identity matrix is a square matrix with all the diagonal elements set to 1, and all other elements set to 0.

Q45. What is a diagonal matrix?

Ans. A diagonal matrix is a matrix where all entries outside the main diagonal are 0.

Q46. What is an upper triangular matrix?

Ans. An upper triangular matrix is a matrix where all entries below the main diagonal are 0.

Q47. What is a lower triangular matrix?

Ans. A lower triangular matrix is a matrix where all entries above the main diagonal are 0.

Q48. What is a symmetric matrix?

Ans. A symmetric matrix is a matrix where the entries at each position (i,j) are the same as the entries at position (j,i).

Q49. What is an orthogonal matrix?

Ans. An orthogonal matrix is a square matrix whose rows and columns are unit vectors and whose transpose is equal to its inverse.

Q50. What is a unit matrix?

Ans. A unit matrix is a square matrix with all the diagonal elements set to 1, and all other elements set to 0.

Q51. What is a rank of a matrix?

Ans. The rank of a matrix is the number of linearly independent rows or columns in the matrix.

Q52. What is a set?

Ans. A set is a collection of distinct objects, considered as an object in itself.

Q53. What are the basic operations on sets?

Ans. The basic operations on sets are union, intersection, and complement.

Q54. What is the union of two sets?

Ans. The union of two sets is the set of elements that are in either set.

Q55. What is the intersection of two sets?

Ans. The intersection of two sets is the set of elements that are in both sets.

Q56. What is the complement of a set?

Ans. The complement of a set is the set of elements that are not in the set.

Q57. What is a subset?

Ans. A subset is a set that is contained in another set.

Q58. What is a proper subset?

Ans. A proper subset is a subset that is not equal to the set it is contained in.

Q59. What is the empty set?

Ans. The empty set is the set that contains no elements.

Q60. What is a universal set?

Ans. A universal set is a set that contains all possible elements.

Q61. What is the power set of a set?

Ans. The power set of a set is the set of all subsets of the set.

Q62. What is a finite set?

Ans. A finite set is a set that has a finite number of elements.

Q63. What is an infinite set?

Ans. An infinite set is a set that has an infinite number of elements.

Q64. What is a one-to-one correspondence?

Ans. A one-to-one correspondence is a function that maps each element of one set to exactly one element of another set.

Q65. What is the cardinality of a set?

Ans. The cardinality of a set is the number of elements in the set.

Q66. What is the cardinality of the empty set?

Ans. The cardinality of the empty set is zero.

Q67. What is the cardinality of the power set of a set?

Ans. The cardinality of the power set of a set is 2^n, where n is the number of elements in the set.

Q68. How do you prove two sets are equal?

Ans. Two sets are equal if they have the same elements. This can be proven using the structure of sets.

Q69. What is a Quadratic Equation?

Ans. A quadratic equation is an equation of the form ax² + bx + c = 0 , where a, b, and c are real numbers and x is an unknown.

Q70. How to Solve a Quadratic Equation?

Ans. There are many ways to solve a quadratic equation, but one of the most common is to use the quadratic formula.

x = (-b±√(b²-4ac))/(2a)

Q71. What is the Quadratic Formula?

Ans. The quadratic formula is a way to solve a quadratic equation by using algebra.

Q72. What are the Steps to Solve a Quadratic Equation?

Ans. There are four steps to solving a quadratic equation:

1) Determine the values of a, b, and c

2) Use the quadratic formula to find the value of x

3) Substitute the value of x back into the equation to check your work

4) Simplify the final answer

Q73. What is the Discriminant?

Ans. The discriminant is a number that can be used to determine the number and type of solutions to a quadratic equation.

Q74. What is a Quadratic Function?

Ans. A quadratic function is a function of the form f(x) = ax² + bx + c, where a, b, and c are real numbers and x is an unknown.

Q75. What is the Vertex Form of a Quadratic Function?

Ans. The vertex form of a quadratic function is f(x) = a(x-h)² + k, where h and k are the coordinates of the vertex.

Q76. What is the Standard Form of a Quadratic Function?

Ans. The standard form of a quadratic function is f(x) = ax² + bx + c, where a, b, and c are real numbers and x is an unknown.

Q77. What are the Real Roots of a Quadratic Equation?

Ans. The real roots of a quadratic equation are the values of x that make the equation true.

Q78. What are the Complex Roots of a Quadratic Equation?

Ans. The complex roots of a quadratic equation are the values of x that make the equation true when x is a complex number.

Q79. What is a Linear Equation?

Ans. A linear equation is an equation of the form ax + b = 0, where a and b are real numbers and x is an unknown.

Q80. What is a Quadratic Inequality?

Ans. A quadratic inequality is an inequality of the form ax² + bx + c < 0, > 0, or ≤ 0, where a, b, and c are real numbers and x is an unknown.

Q81. What are the Solutions to a Quadratic Inequality?

Ans. The solutions to a quadratic inequality are the values of x that make the inequality true.

Q82. He is an odd number, but if you take away an alphabet from him, he become Even. Who is he?

Ans. Seven.

Q83. What do mathematic teacher like to eat?

Ans. π.

Q84. How many eggs can you put in an empty basket of 2m X 2m size?

Ans. Only one, after putting an egg in the basket, the basket will be no linger empty.

Q85. Using only an addition, how do you add eight 8’s and get the number 1000?

Ans. 888 + 88 + 8 + 8 + 8 = 1000.

Q86. Which 3 numbers have the same answer whether they’re added or multiplied together?

Ans. 1, 2 and 3.

Q87. There is a basket containing 10 oranges, how do you divide the oranges among 10 children so that each child has 1 orange while 1 orange remains in the basket?

Ans. 9 children get 1 orange each while the tenth child gets the basket with the remaining orange still in it..

Q88. Two boys were born to the same mother, at the same time, on the same day, in the same month and the same year and yet somehow they’re not twins. Why not?

Ans. Because there was a third boy, which makes them triplets!.

Q89. The day before yesterday I was 25. The next year I will be 28. This is true only one day in a year. What day is my Birthday?

Ans. December 31.

Q90. How to get a number 100 by using four sevens (7’s) and a one (1)?

Ans. 177 – 77 = 100.

Q91. A mountaineer is climbing up a mountain which is inclined. He has to travel 100 km to reach the top of the mountain. Every day He climbs up 2 km forward in the day time. Exhausted, he then takes rest there at night time. At night, while he is asleep, he slips down 1 km backwards because the mountain is inclined. Then how many days does it take him to reach the mountain top?

Ans. 99 Days.

Q92. Look at this series: 36, 34, 30, 28, 24, … What number should come next?

Ans. 22.

Q93. What is 1.92÷3

Ans. 0.64.

Q94. If 13 x 12 = 651 & 41 x 23 = 448, then, 24 x 22 =?

Ans. 924.

Q95. Solve - 15+ (-5x) =0

Ans. -3.

Q96. If 72 x 96 = 6927, 58 x 87 = 7885, then 79 x 86 = ?

Ans. 6897.

Q97. How many feet are in a mile?

Ans. 5280.

Q98. Look at this series: 22, 21, 23, 22, 24, 23, … What number should come next?

Ans. 25.

Q99. Solve 23 + 3 ÷ 3

Ans. 24.

Q100. How many years are there in a Decade?

Ans. 10 years.

Q101. How many years are there in a century?

Ans. 100 years.

Q102. How Many Months Have 150 Days?

Ans. 5 months.

Q103. How Many Months Make a Century?

Ans. 1200.

Q104. 121 Divided by 11 is

Ans. 11.

Q105. Look at this series: 53, 53, 40, 40, 27, 27, … What number should come next?

Ans. 14.

Q106.

Ans. .

Q107. What is a Point?

Ans. A point is an exact location in space, with no size or dimension.

Q108. What is a Line?

Ans. A line is a straight path that extends infinitely in two directions.

Q109. What is a Plane?

Ans. A plane is a flat surface that extends infinitely in all directions.

Q109. What is an Angle?

Ans. An angle is the measure of an area between two lines.

Q110. What is the symbol of angle?

Ans. The symbol of angle is ∠.

Q111. What is a Ray?

Ans. A ray is a line that has one endpoint and extends infinitely in one direction.

Q112. What is the symbol of Ray?

Ans. The symbol of Ray is →.

Q113. What is the symbol of degree?

Ans. The symbol of degree is º.

Q114. How many degrees are in a straight line?

Ans. A straight line has 180° degrees.

Q115. How many degrees are in a right angle?

Ans. A right angle has 90 degrees.

Q116. How many degrees are in an obtuse angle?

Ans. An obtuse angle has more than 90 degrees but less than 180 degrees.

Q117. How many degrees are in an acute angle?

Ans. An acute angle has less than 90 degrees.

Q118. How many lines are needed to make an angle?

Ans. Two lines are needed to make an angle.

Q119. What is a vertex?

Ans. The vertex is the endpoint of two lines that form an angle.

Q120. What is a line segment?

Ans. A line segment is a part of a line that has two endpoints.

Q121. What is a perpendicular line?

Ans. A perpendicular line is a line that intersects another line at a 90-degree angle.

Q122. What is a parallel line?

Ans. A parallel line is a line that runs alongside another line but never intersects it.

Q123. What is the difference between perpendicular and parallel lines?

Ans. The difference between perpendicular and parallel lines is that perpendicular lines intersect at a 90-degree angle while parallel lines run alongside one another without ever intersecting.

Q124. What do perpendicular and parallel lines have in common?

Ans. Perpendicular and parallel lines both have the same slope, meaning they both have the same angle between them.

Q125. What is the equation for a perpendicular line?

Ans. The equation for a perpendicular line is y=mx+b, where m is the slope of the line and b is the y-intercept.

Q126. What is the equation for a parallel line?

Ans. The equation for a parallel line is y=mx+c, where m is the slope of the line and c is the y-intercept.

Q127. What shapes have perpendicular and parallel lines?

Ans. Many shapes have perpendicular and parallel lines, including squares, rectangles, and triangles.

Q128. What is the symbol for perpendicular lines?

Ans. The symbol for perpendicular lines is ⊥.

Q129. What is the symbol for parallel lines?

Ans. The symbol for parallel lines is ∥.

Q130. How do you determine if two lines are perpendicular?

Ans. You can determine if two lines are perpendicular by measuring the angle of intersection. If the angle is 90 degrees, then the lines are perpendicular.

Q131. How do you determine if two lines are parallel?

Ans. You can determine if two lines are parallel by measuring the angle of intersection. If the angle is zero degrees, then the lines are parallel.

Q132. How do you draw perpendicular and parallel lines?

Ans. To draw perpendicular and parallel lines, you can use a ruler and a protractor to measure and draw the lines.

Q133. What is a collinear point?

Ans. A collinear point is a point that lies on the same line as two or more other points.

Q134. What is a midpoint?

Ans. A midpoint is the point that is halfway between two other points.

Q135. What is a transversal line?

Ans. A transversal line is a line that intersects two or more other lines.

Q136. What is a triangle?

Ans. A triangle is a three-sided polygon, it has three sides, and three vertices which form three angles.

Q137. What is the symbol of triangle?

Ans. The symbol of triangle is Δ.

Q138. What is the sum of the three angles of a triangle?

Ans. The sum of the three angles of a triangle is 180°.

Q139. What is the most common type of triangle?

Ans. The most common type of triangle is an equilateral triangle.

Q140. What type of triangle has one angle greater than 90°?

Ans. A triangle with one angle greater than 90° is known as an obtuse triangle.

Q141. What type of triangle has all three angles less than 90°?

Ans. A triangle with all three angles less than 90° is known as an acute triangle.

Q142. What type of triangle has two sides of equal length?

Ans. A triangle with two sides of equal length is known as an isosceles triangle.

Q143. What type of triangle has all three sides of equal length?

Ans. A triangle with all three sides of equal length is known as an equilateral triangle.

Q144. What type of triangle has two angles of equal measure?

Ans. A triangle with two angles of equal measure is known as an isosceles triangle.

Q145. What type of triangle has all three angles of equal measure?

Ans. A triangle with all three angles of equal measure is known as an equiangular triangle.

Q146. What is the longest side of a right triangle called?

Ans. The longest side of a right triangle is known as the hypotenuse.

Q147. What is the relationship between the sides of a right triangle?

Ans. The sides of a right triangle are related by the Pythagorean theorem which states that the sum of the squares of the two shorter sides is equal to the square of the hypotenuse.

Q148. What is the formula for the area of a right triangle?

Ans. The formula for the area of a triangle is A = 1/2*b*h, where b is the base and h is the height.

Q149. What is the formula for the perimeter of a triangle?

Ans. The formula for the perimeter of a triangle is P = a + b + c, where a, b and c are the three sides of the triangle.

Q150. What is a Quadrilateral?

Ans. A quadrilateral is a four-sided polygon.

Q151. What are the types of quadrilaterals?

Ans. The types of quadrilaterals are parallelograms, rectangles, squares, trapezoids, rhombuses, and kites.

Q152. What is the sum of the four angles in a quadrilateral?

Ans. The sum of the four angles of a quadrilateral is 360 degrees.

Q153. What is a parallelogram?

Ans. A parallelogram is a four-sided polygon with opposite sides that are parallel and equal in length.

Q154. What is a rectangle?

Ans. A rectangle is a four-sided polygon with four right angles.

Q155. What is a square?

Ans. A square is a four-sided polygon with four equal sides and four right angles.

Q156. What is a trapezoid?

Ans. A trapezoid is a four-sided polygon with two parallel sides and two non-parallel sides.

Q157. What is a rhombus?

Ans. A rhombus is a four-sided polygon with four equal sides and opposite angles that are equal.

Q158. What is a kite?

Ans. A kite is a four-sided polygon with two sets of adjacent sides that are equal in length and two sets of opposite angles that are equal.

Q159. What is the area of a quadrilateral?

Ans. The area of a quadrilateral is the measure of the region enclosed by the four sides of the polygon.

Q160. What is the perimeter of a quadrilateral?

Ans. The perimeter of a quadrilateral is the sum of the lengths of its four sides.

Q161. What is a convex quadrilateral?

Ans. .

Q162. What is similar geometry?

Ans. Similar geometry is when two figures have the same shape but are not necessarily the same size.

Q163. How do you know if two figures are similar?

Ans. Two figures are similar if their corresponding angles are equal and their corresponding sides are proportional.

Q164. What is the ratio of corresponding sides for similar figures?

Ans. The ratio of corresponding sides for similar figures is called the scale factor.

Q165. How can you determine the scale factor of two similar figures?

Ans. The scale factor of two similar figures can be determined by dividing the corresponding sides of each figure.

Q166. What is the definition of congruent geometry?

Ans. Congruent geometry is when two figures have the same shape and size.

Q167. What is the symbol for congruent geometry?

Ans. he symbol for congruent geometry is '≅'.

Q168. What is the difference between similarity and congruence in geometry?

Ans. The difference between similarity and congruence in geometry is that similar figures have the same shape but not necessarily the same size, whereas congruent figures have the same shape and size.

Q169. How do you prove two figures are similar?

Ans. Two figures can be proven to be similar by showing that their corresponding angles are equal and their corresponding sides are proportional.

Q170. What is the rule for similar triangles?

Ans. The rule for similar triangles states that if two triangles have the same angles, then they are similar.

Q171. What is the angle-angle (AA) similarity postulate?

Ans. The angle-angle (AA) similarity postulate states that if two angles of one triangle are equal to two angles of another triangle, then the triangles are similar.

Q172. Is the sum of angles in similar triangles always the same?

Ans. Yes, the sum of angles in similar triangles is always the same.

Q173. What is the side-side-side (SSS) similarity theorem?

Ans. The side-side-side (SSS) similarity theorem states that if the three sides of one triangle are proportional to the three sides of another triangle, then the triangles are similar.

Q174. What is the definition of a circle?

Ans. A circle is a shape consisting of all points in a plane that are a given distance from a given point, the Centre.

Q175. What is radius of a circle?

Ans. A radius is a straight line from the center of a circle to the circumference of a circle.

Q176. What is diameter of a circle?

Ans. Diameter of a circle is a line that passes through the center and meets the circumference at opposite ends.

Q177. What is the circumference of a circle?

Ans. The circumference of a circle is the perimeter of the circle and is equal to 2π times the radius of the circle ( The Circumference (or) perimeter of circle = 2πR ).

Q178. How do you find the area of a circle?

Ans. The area of a circle is equal to π times the radius of the circle squared ( A=πr² ).

Q179. What is the value of π?

Ans. The value of π is equal to 3.14159265359.

Q180. How do you calculate the diameter of a circle?

Ans. The diameter of a circle is equal to twice the radius of the circle.

Q181. What is the formula for the radius of a circle?

Ans. The formula for the radius of a circle is r = √(A/π), where A is the area of the circle.

Q182. What is the formula for the area of a trapezoid?

Ans. The formula for the area of a trapezoid is : A = ½ (a + b) h

Q183. What is the formula for the area of a square?

Ans. The formula for the area of a Square is: Area = s × s, where, 's' is one side of the square.

Q184. What is the formula for the area of a rectangle?

Ans. The formula for the area of a rectangle is: A = l * w, where l is the length and w is the width.

Q185. What is the formula for the area of a Parallelogram?

Ans. The formula for the area of a Parallelogram is: A = b * h, where b is the base and h is the hight.

Q186. What is the formula for the area of a Rhombus?

Ans. The formula for the area of a Rhombus is: A=½pq, where p and q are the digonals of the Rhombus.

Q187. What is the symbol of equal?

Ans. The symbol of equal: = .

Q188. What is the symbol of not equal?

Ans. The symbol of not equal is: ≠ .

Q189. What is the symbol of less than?

Ans. The symbol of less than: < .

Q190. What is the symbol of greater than?

Ans. The symbol of greater than: > .

Q191. What is the symbol of less than or equal to?

Ans. The symbol of less than or equal to: ≤.

Q192. What is the symbol of greater than or equal to?

Ans. The symbol of greater than or equal to: ≥ .

Q193. What is the symbol of percentage?

Ans. The symbol of percentage: % .

Q194. What is the symbol of Set membership?

Ans. The symbol of Set membership: ∈ .

Q195. What is the symbol of Negation of set membership?

Ans. The symbol of Negation of set membership: ∉ .

Q196. What are the symbols of multiplication?

Ans. ( ×, * and ∙)

Q197. What is the symbol of division?

Ans. ( ÷ and / )

Q198. What is the symbol ofsubtraction?

Ans. ( − )

Q199. What is the symbol of addition?

Ans. ( + )

Q200. What is the symbol of square root?

Ans. ( √ )