Quantitative Aptitude Quiz for RBI | IBPS – Set 161

1)434, 418, 393, ?, 308, 244
1357
2346
3325
4254
5None of these

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Answer 1)357
434 – 42 = 418
18 – 52 = 393
393 – 62 = 357
357- 72 =308
308- 82 = 244

2) 8, 64, ?, 206, 292, 388
1)412
2)342
3)130
4)224
5)None of these

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Answer 3)130
8 + 56 = 64
64 + 66 = 130
130+76 = 206
206+86 = 292
292+96 = 388

3) ?, 510, 495, 475, 450, 420
1)680
2)480
3)500
4)520
5)None of these

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Answer 4)520
520-(10*1) = 510
510 – (10*1.5) = 495
495 –(10*2) = 475
475 – (10*2.5) = 450
450 –(10*3) = 420

4)43, 214, 852, ?
1)2529
2)1245
3)3214
4)2650
5)None of these

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Answer – 1.2529
43 *5 – 1^1 = 214
214*4 – 2^2 = 852
852*3 – 3^3 = 2529

5)332, 370, 410, ?, 496
1)564
2)452
3)326
4)210
5)None of these

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Answer 2)452
18^2 = 324 + 8 = 332
19^2 = 361+9 = 370
20^2 = 400+10 = 410
21^2 = 441+11 = 452
22^2 = 484+12 = 496

6)1224, 1134, 954, 684, ?
1)324
2)416
3)560
4)214
5)None of these

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Answer 1)324

Directions-(Q.5 – 10) What should come in place of question mark (?) in the following questions ?

7)414 * ? * 7 = 127512
1) 36
2) 40
3) 44
4) 48
5) None of these

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Answer 3) 44
414 * ? * 7 = 127512
=>? = 127512/414*7 = 44.

8)8888 + 848 + 88 – ? = 7337 + 737
1) 1750
2) 1650
3) 1550
4) 1450
5) None of these

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Answer 1) 1750
(8888 + 848 + 88) – ? = 7337 + 737
=>9824 – ? = 8074
=>? = 9824 – 8074 = 1750.

9)4 + 12 * 0.75 – 6 = ?
1) 72
2) 67
3) 62
4) 77
5) None of these

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Answer d) 77
? = 74 + 12 * 0.75 – 6 = 74 + 9 – 6 = 77.

10)515.15 – 15.51 – 1.51 – 5.11 – 1.11 = ?
1) 491.91
2) 419.91
3) 499.19
4) 411.19
5) None of these

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Answer 1) 491.91
515.15 – 15.51 – 1.51 – 5.11 – 1.11
= 515.15 – 23.24 = 491.91.