LIC AAO | IBPS SO | QUANT QUIZ - 5 | S.W.A.G

Directions (Q. 1-10): Find out the next number in place of question mark (?) in
the following number series.

1. 7    26   63    124    215   342    ?
1) 481 
2) 511
3) 391 
4) 421 
5) 650

2. 165   195   255   285   345   ?
1) 375
2) 420
3) 435
4) 390
5) 325

3. 62, 177, 512, 1507, 4482, ?
1) 13396 
2) 13397 
3) 13398 
4) 13399 
5) 13400

4. 8   7   11   12   14   17   17   22   ?
1) 20
2) 22 
3) 24 
4) 27 
5) 29

5. 800, 160, 48, 19.2, 9.6, ?
1) 6.48 
2) 5.76 
3) 5.12 
4) 4.84 
5) 4.56

6.  11   13   17   19   23   29   31   37   ?
1) 47
2) 43 
3) 41 
4) 39 
5) 42

7. 7, 19, 55, 163, 487, ?
1) 1451 
2) 1453 
3) 1455 
4) 1457 
5) 1459

8. 12, 28, 92, 236, 492, 892, ?
1) 1458 
2) 1468 
3) 1478 
4) 1488 
5) 1498

9. 8400, 7376, 6592, 6016, 5616, ?
1) 5360 
2) 5370 
3) 5380 
4) 5390 
5) 5400

10. 7.8, 20.6, 51.2, 117.4, 254.8, ?
1) 530.6 
2) 532.6 
3) 534.6 
4) 536.6 
5) 538.6

Solutions:

1. 2; The series is 23 – 1, 33 – 1, 43 – 1...

2. 3; The series is 15 x 11, 15 x 13, 15 x 17...

3. 2; The series is × 3 – 9, × 3 – 19, × 3 – 29...

4. 1; There are two series 8 11 14  17  20 and 7  12  17  22

5. 2; The series is × 0.2, × 0.3, × 0.4, × 0.5...

6. 3; all are prime numbers ...

7. 5; The series is + (6 × 2), + (18 × 2), + (54 × 2)...

8. 2; The series is +42, +82, +122, + 162...

9. 1; The series is –322, –282, –242, –202...


10. 3; The series is × 2 + 5, × 2 + 10, × 2 + 15...