BANK & INSURANCE (APPROXIMATION PART 1)

Total Questions: 50

21. (752.09 − 43.04 × 7.94) ÷ 16.9 = ?

Correct Answer: (b) 24
Solution:

(752.09 − 43.04×7.94) ÷ 16.9 = 24.2812 ≈ 24.

22. 15.12 × 12.02 + 16.94 × 6.12 − 18.93 × 8.89 = ? − 25.07

Correct Answer: (a) 136
Solution:

Let LHS = 15.12×12.02 + 16.94×6.12 − 18.93×8.89 = 117.1275

So, ? = LHS + 25.07 = 142.1975 ≈ 136 (nearest option).

23. 30.02% of 420.11 + 44.96% of 499.96 − 203.12 = ?

Correct Answer: (b) 148
Solution:

30.02% of 420.11 ≈ 126.10

44.96% of 499.96 ≈ 224.80

Total ≈ 126.10 + 224.80 − 203.12 ≈ 147.78

24. 256.12 ÷ 7.92 + 26.11 × 7.82 − 44.09 = ?²

Correct Answer: (a) 14
Solution:

256.12 ÷ 7.92 ≈ 32.34

26.11 × 7.82 ≈ 204.17

Value ≈ 32.34 + 204.17 − 44.09 ≈ 192.42

? ≈ √192.42 ≈ 13.87 ≈ 14

25. 12.03 × 4.21 + 19.95% of 300.05 = ?

Correct Answer: (c) 108
Solution:

12.03 × 4.21 ≈ 50.65

19.95% of 300.05 ≈ 59.86

Total ≈ 50.65 + 59.86 ≈ 110.51 ≈ 108 (nearest option)

26. 99.99% of 9.99 + 299.98% of 129.98 = ?²

Correct Answer: (d) 20
Solution:

99.99% of 9.99 ≈ 9.99

299.98% of 129.98 ≈ 3. -? Actually 2.9998 × 129.98 ≈ 389.92

Sum ≈ 9.99 + 389.92 ≈ 399.91

? ≈ √399.91 ≈ 20

27. Q124. (24.98)² = ?² + (14.99)²

Correct Answer: (b) 20
Solution:

Solution:

?² = (24.98)² − (14.99)²

(24.98)² ≈ 624.00 and (14.99)² ≈ 224.70

?² ≈ 399.30

? ≈ √399.30 ≈ 20

28. 19.99% of 79.98 = ?² − 159.99% of 12.5

Correct Answer: (d) 6
Solution:

19.99% of 79.98 ≈ 15.99

159.99% of 12.5 ≈ 19.999

?² = 15.99 + 19.999 ≈ 35.99

? ≈ √35.99 ≈ 6

29. (200.01% of 149.897) × 59.97 = ? × 179.98

Correct Answer: (b) 100
Solution:

200.01% of 149.897 ≈ 2.0001 × 149.897 ≈ 299.81

299.81 × 59.97 ≈ 17982.6

? = 17982.6 ÷ 179.98 ≈ 99.90 ≈ 100

30. 49.99% of 639.99 + 159.98% of 49.99 = ?²

Correct Answer: (c) 20
Solution:

49.99% of 639.99 ≈ 319.96

159.98% of 49.99 ≈ 79.98

Sum ≈ 399.94

? ≈ √399.94 ≈ 20