Simplification and Approximation Questions and Answers for IBPS, SBI, SSC, Clerk, PO Exam
What approximate value should come in place of the question mark (?) in the following equations?
1. 8.5939 + 16.84 x 6.5 ÷ 4.2 =?
- 25
- 42
- 44
- 35
- 40
2. 1.542 x 2408.69 + 1134.632=?
- 4600
- 4800
- 5200
- 6400
- 3600
3. 9980 ÷ 49 x {(4.9)}^{2} – 1130 =?
- 3800
- 4500
- 2600
- 3000
- 4080
4. \sqrt {625} – \sqrt {529} =\sqrt {?}
- \sqrt {2}
- 4
- 2
- 16
- None of these
5. 36% of 220 – 12% of 140 =?
- 62.4
- 63.4
- 64.2
- 66.4
- None of these
6. 58 + 621 ÷ 23 – 45 = ?
- 50
- 60
- 40
- 30
- None of these
7. {(0.04)}^{2} ÷ (0.008) x {(0.2)}^{6} = {(0.2)}^{?}
- 6
- 5
- 8
- 9
- None of these
8. 92 x 7 ÷ 8 – 63.80 = ?
- 16.6
- 18.7
- 17.7
- 16.7
- None of these
9. 16.5% of 2400 = \frac {2}{3} of (?)
- 594
- 584
- 264
- 236
- None of these
10. 36.934 – 48 + 17.449 = ?
- 6.833
- 8.633
- 6.283
- 7.383
- None of these
11. {(√6+1)}^{2} = ? +2√6
- 7
- √6
- 4√6 + 7
- 4√6
- None of these
12. 2\frac {1}{9} x 1\frac {2}{19} ÷ 2\frac {1}{3} = ? – 1\frac {1}{2}
- 3\frac {1}{2}
- 1\frac {1}{4}
- 2\frac {1}{2}
- 2\frac {1}{4}
- None of these
13. {3}^{2} x {4}^{2} x 5 ÷ 36 = {(?)}^{2} – 80
- \sqrt {10}
- 100
- 10
- 10\sqrt {10}
- {100}^{2}
14. 447.75 ÷ 28 x 4 = ?
- 60
- 70
- 72
- 80
- 75
15. {(3.5)}^{2} x 19.25 + ? = 275
- 15
- 20
- 30
- 28
- 40
16. 85% of 225 + 32.91 x 5.01 = ?
- 340
- 355
- 375
- 345
- 370
17. {(15.96)}^{2} + 75% of 285 = ?
- 435
- 485
- 440
- 420
- 470
18. 1679 ÷ 14.95 x 5.02 = ?
- 540
- 525
- 545
- 565
- 520
19. 6\frac {5}{6} x 5\frac {1}{3} + 17\frac {2}{3} x 4\frac {1}{2} = ?
- 112\frac {1}{3}
- 663
- 240
- 116\frac {2}{3}
- None of these
20. 35% of 1478 + 29% of 3214 = ?
- 1600
- 1250
- 1300
- 1450
- 150
21. \frac {5}{7} of 1596 + 3015 = ? – 2150
- 7200
- 48000
- 5300
- 52000
- 6300
22. 5798 – ? = 7385 – 4632
- 3225
- 2595
- 2775
- 3045
- None of these
23. 152\sqrt {?} + 795 = 8226 – 3486
- 425
- 985
- 1225
- 1025
- 675
24. 1\frac {3}{4} + 1\frac {5}{8} – 2\frac {4}{5} + \frac {1}{2} = ?
- 2\frac {7}{40}
- 1\frac {7}{40}
- 2\frac {3}{40}
- 1\frac {3}{40}
- None of these
25. 14 x 18.6 ÷ 12 + 19.3 = ?
- 41
- 33.5
- 291.9
- 8.32
- None of these
26. {8}^{4.2} x {64}^{2.1} x {7}^{8.4} x {56}^{3.5} = {56}^{?}
- 18.2
- 9.8
- 11.9
- 12.6
- None of these
27. {(4)}^{2} + {(3)}^{2} = \sqrt {?}
- 25
- 5
- 125
- 425
- None of these
28. 53% of 120 + 25% of 862 = ?% of 500
- 42.50
- 55.82
- 63.68
- 38.89
- None of these
29. 16\sqrt {524} + 1492 – 250.0521 = ?
- 1600
- 1800
- 1900
- 2400
- 1400
30. \sqrt {9280 ÷ 16 x 4 - 16}=?
- 48
- 38
- 28
- 58
- None of these
31. 1\frac {5}{14} + 3\frac {4}{7} + 4\frac {9}{28} = ?
- 8\frac {1}{4}
- 9\frac {1}{4}
- 9\frac {1}{14}
- 9\frac {3}{14}
- None of these
32. 2900 ÷ 8 ÷ 5 + {6}^{2} = ?
- 118.5
- 10.85
- 108.5
- 11.85
- None of these
33. {5}^{2} + {12}^{2} – (26 ÷ 2) = {?}^{2}
- 21
- 18
- 15
- 16
- 17
34. (53 x 18) + (85 x 7) = ?
- 1549
- 1595
- 1954
- 1945
- None of these
35. 477 ÷ 53 + 64 x 3 = ?
- 200
- 201
- 202
- 203
- 204
36. 36. 7831.63 + 2593.59 + 194.67 – 5452.21 = ?
- 5167.86
- 5267.68
- 5167.68
- 5267.86
- None of these
37. 666666 – 565656 + 111111 – 999999 = ?
- -878787
- 878787
- 787878
- -787878
- None of these
38. \frac {2}{3} of \frac {3}{5} of 85% of ? = 952
- 2750
- 2780
- 2785
- 2900
- None of these
39. \frac {39}{49} x \frac {147}{272} ÷ \frac {27}{32} = ?
- \frac {1}{3}
- \frac {3}{7}
- \frac {2}{9}
- \frac {4}{9}
- None of these
40. \frac {21}{25} ÷ \frac {9}{20} x \frac {5}{12} ÷ \frac {10}{17} = ?
- 7\frac {77}{125}
- 11\frac {9}{10}
- \frac {119}{450}
- 1\frac {29}{90}
- None of these
41. 197 x ? + {16}^{2} = 2620
- 22
- 12
- 14
- 16
- None of these
42. 287.532 + 1894.029 – 657.48 = 743.095 + ?
- 870
- 790
- 780
- 770
- 890
43. 158.25 x 4.6 + 21% of 847 + ? = 950.93
- 35
- 40
- 25
- 50
- 45
44. 85.147 + 34.912 x 6.2 + ? = 802.293
- 400
- 450
- 550
- 600
- 500
45. 9548 + 7314 = 8362 + ?
- 8230
- 8500
- 8410
- 8600
- None of these
46. 17\frac {2}{3} of 180 + \frac {1}{4} of 480 = ?
- 3180
- 3420
- 3200
- 3300
- None of these
47. 6.39 x 15.266 + 115.8 of \frac {2}{5} = ?
- 145
- 165
- 180
- 130
- 135
48. 8577 – ? = 7429 – 4358
- 5706
- 5526
- 5426
- 5626
- None of these
49. 857 of 14% – 5.6 x 12.128 = ?
- 48
- 36
- 60
- 52
- 46
50. 5\frac {3}{5} ÷ 3\frac {11}{15} + 5\frac {1}{2} = ?
- 7
- 8\frac {1}{2}
- 7\frac {1}{2}
- 6\frac {1}{2}
- None of these