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Approximation & calculation Practice Questions-1

Approximation & calculation Practice Questions-1

 

  1. Find the value of ?

|? – 45| = 40

(a) 85 or –85    (b) 85 or 5         (c) 5 or – 5        (d) 40 or 5

(e) None of these

 

  1. [(3024 ÷ 189)1/2 + (684 ÷ 19)2] = (?)2 + 459

(a) –27               (b) –29               (c) 31                  (d) 841

(e) 1089

 

  1. [(32)6]4 = 9?

(a) 28                 (b) 16                  (c) 12                  (d) 24

(e) None of these

 

  1. 4.4 times of  of 30% of 216 = ?

(a) 81.9              (b) 83.7              (c) 87.3              (d) 89.1

(e) None of these

 

(a)                    (b) (–8 – 9)      (c)  –17              (d)

(d) None of these

 

  1. ?% of (8)2 = 51.2

(a) 15                  (b) 8                   (c) 5                              (d) 10

(e) None of these

 

(a) 8                    (b) 36                 (c) 12                  (d) 6

(e) None of these

 

  1. (0.0729 ÷ 0.1)3 ÷ (0.081 × 10)5 × (0.3 × 3)5 = (0.9)? + 3

(a) 1                     (b) 2                   (c) 4                    (d) 7

(e) None of these

 

(a)               (b) 18                  (c) 3.24              (d) 24

(e) None of these

 

  1. (27)2 × 6 ÷ 9 + (7)3 + 71 = (?)3 – 431

(a) 11                   (b) (13)3             (c) 13                  (d) (11)3

(e) None of these

 

  1. 43931.03 ÷ 2111.02 × 401.04 = ?

(a) 8800            (b) 7600            (c) 7400             (d) 9000

(e) 8300

 

  1. The sum of five consecutive odd numbers is 95. Find the product of the third and the fifth number.

(a) 399               (b) 437               (c) 323               (d) 391

(e) 483

 

(a) 3844             (b) 3721             (c) 3481             (d) 3638

(d) None of these

 

(a)               (b)              (c) 382               (d) 386

(e) None of these

 

  1. 3463 × 295 – 18611 = ? + 5883

(a) 997091         (b) 997071         (c) 997090        (d) 999070

(e) None of these

 

(a) 3000            (b) 2800            (c) 2500             (d) 3300

(e) 2600

 

(a)                   (b) 0.75              (c)                  (d) 

(e) None of these

 

  1. (23.1)2 + (48.6)2 – (39.8)2 = ? + 1147.69

(a) (13.6)2          (b)          (c) 163.84                   (d) 12.8

(e) None of these

 

  1. + 349 = ? ÷ 21.003

(a) 7600             (b) 7650             (c) 7860             (d) 7560

(e) 7680

 

  1. 39.897% of 4331 + 58.779% of 5003 = ?

(a) 4300            (b) 4500            (c) 4700             (d) 4900

(e) 5100

 

Answers:

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