Approximation & calculation Practice Questions-3

Approximation & calculation Practice Questions-3

1. 2439.97 – 1234.01 + 401.99 = ? + 989.99

(a) 620               (b) 650               (c) 680               (d) 700

(e) 600

(a) 4.5                 (b) 5.7                 (c) 2.5                 (d) 6.8

(e ) None of these

3. ?% of 280 + 18% of 550 = 143 .8

(a) 11                   (b) 18                  (c) 21                  (d) 16

(e) None of these

4. 8.88 × 88.8 × 88?

(a) 68301.142                                (b) 79391.642

(c) 65365.824                               (d) 76218.414  

(e) None of these

(a) 81                  (b) 3                    (c) 6561              (d) 9

(e) None of these

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

(e) None of these 

7. (64)¹² ÷ (4)¹⁵ = (64)^?

(a) 9                    (b) 3                    (c) 12                  (d) 7

(e) None of these

8. 14% of 80 + ?% of 90 = 31.9

(a) 16                  (b) 23                 (c) 18                  (d) 26

(e) None of these

(a) 302               (b) 322               (c) 292               (d) 342

(e) None of these

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

(e)  None of these

11. 5554.999 ÷ 50.007 = ?

(a) 110                (b) 150                (c) 200               (d) 50

(e) None of these

12. (18.001)³ = ?

(a) 5830             (b) 5500             (c) 6000            (d) 6480

(e) 5240

13. 23.001 × 18.999 × 7.998 = ?

(a) 4200            (b) 3000            (c) 3500             (d) 4000

(e) 2500

14. 999 ÷ 99 ÷ 9 = ?

(a) 18                  (b) 5                    (c) 6                    (d) 1

(e) 20

15. 22.005% of 449.999 = ?

(a) 85                  (b) 100               (c) 125                (d) 75

(e) 150

16. If the numerator of a fraction is increased by 150% and the denominator of the fraction is increased by 300%, the resultant fraction is  What is the original fraction?

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

(e) None of these

17. 361 × 250 ÷ 50 = 25 × ?

(a) 74.2              (b) 72.2              (c) 70.4              (d) 72.4

(e) None of these

(a) 2850             (b) 2540             (c) 2560             (d) 2480

(e) None of these

19. (?)³ ÷ 32 = 54

(a) 18                  (b) 2744             (c) 1728              (d) 12

(e) None of these

20. 36% of 365 + ?% of 56.2 = 156.69

(a) 35                  (b) 30                 (c) 45                  (d) 40

(e) None of these

Answers:

1. a
2. a
3. d
4. e
5. b
6. c
7. d
8. b
9. e
10. c
11. a
12. a
13. c
14. d
15. b
16. a
17. b
18. e
19. d
20. c