Square Roots and Cube Roots Worksheet-5

Square Roots and Cube Roots Worksheet-5

1. The square root of is:

(a)                 (b) 2                    (c) 4                    (d)

2. simplifies to:

(a)                   (b)                 (c)                    (d) None of these

3. is equal to:

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

4. If a = 0.1039, then the value of is:

(a) 0.1039         (b) 0.2078         (c) 1.1039          (d) 2.1039

5. The square root of is:

(a) 1                     (b) 2                    (c) 3                    (d) 4

6. If 3a = 4b = 6c and a + b + c = 27, then is:

(a)             (b) 81                  (c) 87                  (d) None of these

7. The square root of is:

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

8. Which one of the following numbers has rational square root?

(a) 0.4                (b) 0.09             (c) 0.9                (d) 0.025

9. The value of is:

(a) 0.02              (b) 0.2                (c) 0.51               (d) 0.63

10. The value of is:

(a) 0.011            (b) 0.11               (c) 0.347            (d) 1.1

11. The value of is:

(a) 0.008           (b) 0.08             (c) 0.252            (d) 0.8

12. The value of is:

(a) 0.02              (b) 0.2                (c) 0.63              (d) None of these

13. The value of is close to:

(a) 0.6                (b) 1.1                 (c) 1.6                 (d) 1.7

14. If , then the value of is:

(a) .367              (b) .447              (c) .745               (d) None of these

15. If , the value of is:

(a) 0.544            (b) 1.333            (c) 1.633            (d) 2.666

Answer Key:

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