Decimal Fractions Worksheet-3

Decimal Fractions Worksheet-3

1. 0.002 × 0.5 = ?

(a) 0.0001         (b) 0.001           (c) 0.01              (d) 0.1

2. 16.02 × 0.001 = ?

(a) 0.001602    (b) 0.01602       (c) 0.1602                   (d) 1.6021

3. 0.014 × 0.014 = ?

(a) 0.000196    (b) 0.00196       (c) 19.6               (d) 196

4. 40.83 × 1.02 × 1.2 = ?

(a) 41.64660                                  (b) 42.479532

(c) 49.97592                                  (d) 58.7952

5. 0.04 × 0.0162 is equal to :

(a) 6.48 × 10^–3                              (b) 6.48 × 10^–4

(c) 6.48 × 10^–5                              (d) 6.48 × 10^–6

6. 3 × 0.3 × 0.03 × 0.003 × 30 = ?

(a) 0.0000243                              (b) 0.000243

(c) 0.00243                                   (d) 0.0243

7. How many digits will be there to the right of the decimal point in the product of 95.75 and .02554 ?

(a) 5                    (b) 6                    (c) 7                    (d) None of these

8. when expressed as a vulgar fraction, equals :

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

9. Which is the closest approximation to the product 0.3333 × 0.25 × 0.499 × 0.125 × 24 ?

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

10. Consider the following quotients :

1. 3,68.39 divided by 17

2. 170.50 divided by 62

3. 875.65 divided by 83

Their correct sequence in decreasing order is :

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

11. 0.213 + 0.00213 = ?

(a) 1                     (b) 10                  (c) 100                (d) None of these

12. 4.036 divided by 0.04 gives :

(a) 1.009            (b) 10.09            (c) 100.9            (d) None of these

13. is equal to :

(a)                 (b)                   (c) 2.5                 (d) 25

(a) 139.4            (b) 140               (c) 140.6            (d) 143.9

15. .04 × ? = .000016.

(a) 0.0004        (b) 0.04             (c) 4                    (d) None of these

Answer Key:

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