WRONG NUMBER SERIES FOR SBI PO PRELIM

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START QUIZ

1) 12, 34, 100, 296, 892, 2674
a) 34
b) 892
c) 296
d) 100
e) 2674

2) 2, 26, 286, 2004, 10010, 30030
a) 286
b) 10010
c) 30030
d) 2004
e) 26

3) 42, 106, 172, 247, 351, 518
a) 518
b) 247
c) 172
d) 106
e) 351

4) 2512, 632, 160, 44.5, 15.125
a) 632
b) 44.5
c) 15.125
d) 160
e) 2512

5) 225, 223, 111, 36, 8
a) 223
b) 111
c) 36
d) 225
e) 8

6) 4, 26, 178, 1238, 8672
a) 26
b) 4
c) 1238
d) 178
e) 8672

7) 21, 43, 88, 175, 362, 729
a) 43
b) 88
c) 362
d) 729
e) 175

8) 453, 563, 693, 851, 1033, 1243
a) 563
b) 851
c) 1243
d) 693
e) 1033

9) 567, 579, 607, 649, 711, 797
a) 607
b) 579
c) 711
d) 797
e) 649

10) 91, 92, 187, 565, 2271, 11364
a) 2271
b) 92
c) 11364
d) 187
e) 565

11) 172, 200, 263, 388, 604, 947, 1459
a) 263
b) 388
c) 200
D)604
E)947

SOLUTION

1) Answer: c)
12 * 3 - 2 = 34
34 * 3 – 2 = 100
100 * 3 – 2= 298
298 * 3 – 2 = 892
892 * 3 – 2 = 2674
The wrong term is, 296

2) Answer: d)
2 * 13 = 26
26 * 11 = 286
286 * 7 = 2002
2002 * 5 = 10010
10010 * 3 = 30030
The wrong term is, 2004

3) Answer: e)
The wrong term is, 351

4) Answer: d)
2512/4 + 4 = 632
632/4 + 4 = 162
162/4 + 4 = 44.5
44.5/4 + 4 = 15.125
The wrong term is, 160

5) Answer: a)
225/1 – 1 = 224
224/2 – 1 = 111
111/3 – 1 = 36
36/4 – 1 = 8
The wrong term is, 223

6) Answer: c)
4 * 7 – 2 = 26
26 * 7 - 4 = 178
178 * 7 – 6 = 1240
1240 * 7 – 8 = 8672
The wrong term is, 1238

7) Answer: e)
21 * 2 + 1 = 43
43 * 2 + 2 = 88
88 * 2 + 3 = 179
179 * 2 + 4 = 362
362 * 2 + 5 = 729

The wrong term is, 175

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