Numbers Worksheet-16

Numbers Worksheet-16

1. The product of a rational number and its reciprocal is

(a) 0                    (b) 1

(c) –1                  (d) Cannot be determined

2. 0.231 expressed as a vulgar fraction is

(a)               (b)              (c)             (d)

3. Which of the following is true?

(a)           (b) –4 < –5      (c)      (d)

4. Michael purchased a note book for Rs. 23.75, a pencil for Rs. 2.85 and a pen for Rs. 15.90. He gave a 50 rupee note to the shopkeeper. The amount he got back is

(a) Rs. 42.50     (b) Rs. 92.50    (c) Rs. 7.50       (d) Rs. 45.50

5. The value of [2 – 3(2 – 3)^–1]^–1 is

(a)                  (b)                   (c) – 5                 (d) 5

6. If A: The quotient of two integers is always a rational number and

R: is not rational, then which of the following statements is true?

(a) A is false and R is the correct explanation of A

(b) A is false and R is the correct explanation of A

(c) A is true and R is false

(d) Both A and R are false

7. Arrange the following numbers in descending order.

(a)                    (b)

(c)                    (d)

8. What number should be added to so as to get ?

(a)                    (b)                 (c)                    (d)

9. Which of the following fractions is the smallest?

(a)                    (b)                   (c)                   (d)

10. The product of two rational numbers is . If one of the numbers is , then the other number is

(a)                 (b)                 (c)                 (d)

11. A rational number

(a) Lies to the left side of 0 on the number line

(b) Lies to the right side of 0 on the number line

(c) It is not possible to represent on the number line

(d) Cannot be determined on which side the number lies

12. Which of the following statements is correct?

(a)                           (b)

(c)                            (d)

13. The fraction 5/8 is found between which pair of fractions on a number line?

(a)     (b)     (c)     (d)

14. The value of is

(a)                  (b)                  (c)                    (d)

15. Which of the following is a true statement?

(a) 1.14 > 1.2                                  (b) 1.143 > 1.15

(c) 1.14 < 1.2                                  (d) 1.143 > 1.2

16. The value of (0.05)³ is

(a) 0.000125    (b) 0.00125       (c) 0. 0125         (d) 0.125

17. Simplify

(a)               (b)               (c)                (d)

18. What should be added to to get ?

(a)                 (b)                 (c)                 (d)

19. Examine the containers below. Which container holds litre of liquid?

(a) Tea Cup                                    (b) Cereal Bowl

(c) Drinking Glass                        (d) Lemonade Pitcher

Answer Key:

(1)-(b); (2)-(c); (3)-(d); (4)-(c); (5)-(b); (6)-(b); (7)-(b); (8)-(a); (9)-(b); (10)-(d); (11)-(a); (12)-(a); (13)-(a); (14)-(b); (15)-(c); (16)-(a); (17)-(a); (18)-(b); (19)-(c)