maths MCQ 8

​1. The value of x for which the expressions 3x – 4 and 2x + 1 become equal is

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2. Which of the following is a linear expression:

(a) x² + 1 (b) y + y² (c) 4 (d) 1 + z​

​ 3. Arpita’s present age is thrice of Shilpa. If Shilpa’s age three years ago was x. Then Arpita’s present age is

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4. ​Linear equation in one variable has

(a) only one term with a variable.

(b) only one variable with power 1.​

​5. The sum of three consecutive multiples of 7 is 357. Find the smallest multiple.

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6. The solution of the equation 3x – 4 = 1 – 2 x is .

7.The solution of the equation 2y = 5y – 18/5 is .​

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​8. 9 is subtracted from the product of p and 4, the result is 11. The value of p is _________.

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9. ​The sum of two consecutive multiples of 10 is 210. The smaller multiple is _________.

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10. a. ((3x – 8)/2x) = 1 b.(8/x) = (5/(x – 1))

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​c.10x – 5 – 7x = 5x + 15 – 8 D.4t – 3 – (3t +1) = 5t – 4

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11. The angles of a triangle are in the ratio 2 : 3 : 4. Find the angles of the triangle.​

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12. The sum of two numbers is 11 and their difference is 5. Find the numbers.​

​13.The breadth of a rectangular garden is 23 of its length. If its perimeter is 40 m, find its dimensions.

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14. The difference between two positive numbers is 40 and the ratio of these integers is 1 : 3. Find the integers.

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15. For which of the following, diagonals bisect each other? (a) Square (b) Kite (c) Trapezium (d) Quadrilateral

​16.For which of the following figures, all angles are equal? (a) Rectangle (b) Kite (c) Trapezium (d) Rhombus

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17​. Which of the following properties describe a trapezium?

(a) A pair of opposite sides is parallel.

(b) The diagonals bisect each other.

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18​. Which of the following is a property of a parallelogram? (a) Opposite sides are parallel.

(b) The diagonals bisect each other at right angles.

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​ 19.What is the sum of all the angles of a pentagon?

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20. A quadrilateral whose opposite sides and all the angles are equal is... (a) rectangle (b) parallelogram (c) square (d) rhombus

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21. The angles of a quadrilateral are in the ratio 1 : 2 : 3 : 4. The smallest angle is

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22. ​A quadrilateral has three acute angles. If each measures 80°, then the measure of the fourth angle is