The quantitative aptitude section of banking exam consists of very important chapter called approximation. In almost all banking exams you can expect 5-10 questions from this chapter. With a little bit of dedication and sheer practice, you can easily score full marks in this chapter.
Model Problems
1. 181.13 × 4.94 + 
= ? + 545.12
A) 216 B) 372 C) 481 D) 816 E) 924
Sol:
Ans: B
2. (121.13 ÷ 10.87) + (85.19 ÷ 5.34) = ?
A) 7 B) 12 C) 28 D) 34 E) 40
Sol:
Ans: C
3. 10.12% of 15.32% of 419.81 = 
× ?
A) 2 B) 18 C) 8 D) 24 E) 31
Sol:
Ans: C
4. 
A) 9 B) 13 C) 11 D) 4 E) 7
Sol: 
Ans: A
5. 85.04% of 299.98 − 767.01 ÷ 
= ?2
A) 16 B) 14 C) 18 D) 20 E) 22
Sol:
Ans: B
6. 900.01 ÷ 
+ 124.93% of 40.06 = ? × 9.91
A) 20 B) 15 C) 10 D) 40 E) 30
Sol:
Ans: C
7. 1599.98 ÷ 3.98 − 999.912 ÷ 7.91 = ?
A) 295 B) 305 C) 235
D) 255 E) 275
Sol:
Ans: E
8. 12.512% of 399.98 + 85.714% of 28.18 = ?
A) 65 B) 74 C) 52 D) 84 E) 44
Sol:
Ans: B
9.
A) 14 B) 11 C) 17 D) 9 E) 21
Sol:
Ans: B
10. (29.09) × (33.23) − 117.18 = ? × 11.903
A) 30 B) 40 C) 50 D) 60 E) 70
Sol: 
Ans: E
11. (11.12)2 × 3.41 ÷ 3.01 = ? + 85.02
A) 36 B) 152 C) 181 D) 197 E) 215
Sol:
Ans: A
12. 
A) 150 B) 715 C) 1015
D) 1321 E) 1420
Sol:
Ans: C
13. (8.01 − 4.32)2 = ? − (9.92 × 5.72)
A) 21 B) 31 C) 76 D) 89 E) 110
Sol:
Ans: C
14. 346.50 × 94.85 − 19812 = ? + 2144 + 3248
A) 7002 B) 7262 C) 6227
D) 8200 E) 7713
Sol:
Ans: E
15. 5399.88 + 2650.088 − 6239.987 + 4640.008 = ?
A) 6250 B) 6350 C) 6400
D) 6450 E) 6500
Sol: 5399.88 + 2650.088 − 6239.987 +
4640.008 = ?
5400 + 2650 − 6240 + 4640 = ?
12690 − 6240 = ?
6450 = ?
Ans: D
16. 78 + 99 − 134 + 161 − 60 = ?2
A) −12 B) 13 C) −14 D) 11 E) None
Sol: 78 + 99 − 134 + 161 − 60 = ?2
338 − 194 = ?2
144 = ?2
? = +12 or −12
Ans: A
17. 44.96% of 3999.69 + 3469.81 + 24.901% of 4801.07 = ?
A) 6570 B) 5430 C) 6470
D) 5630 E) 6630
Sol: 44.96% of 3999.69 + 3469.81 + 24.901%
of 4801.07 = ?
45% of 4000 + 3470 + 25% of 4800 = ?
1800 + 3470 + 1200 = ?
? = 6470
Ans: C
18. 
A) 68 B) 74 C) 77 D) 80 E) 84
Sol:
Ans: C
19. 139.95 × 11.98 = ? + 99.98 × 4.08
A) 1260 B) 1280 C) 1300
D) 1320 E) 1340
Sol: 139.95 × 11.98 = ? + 99.98 × 4.08
1680 = ? + 400
? = 1280
Ans: B
20. 33.33% of 45.08 + 42.85% of 27.93 = ?3
A) 4 B) 2 C) 0 D) 5 E) 3
Sol:
Ans: E
21. 
A) 10 B) 12 C) 4 D) 0 E) 8
Sol:
Ans: D
22. 
A) 2412 B) 4100 C) 6800
D) 9344 E) 8100
Sol:
Ans: D
23. 70.012% of 325.02 + 1620% of 59.89 = ?
A) 1600 B) 1596 C) 1706
D) 1800 E) 1200
Sol:
Ans: E
24. 
A) 5 B) 25 C) 35 D) 15 E) 2
Sol:
Ans: D
25. 7.72% of 49.87 × 2.01 + 9.34 = ?
A) 7 B) 17 C) 25 D) 32 E) 41
Sol:
Ans: B
