Directions (1-15): In each of the series below only one number is wrong. Please understand the series carefully and find the wrong number.
Q1. 3, 7, 31, 21,131, 46, 351
(a)21
(b)46
(c)31
(d)131
(e)351
Q2. 30, 41, 63, 96, 140, 195, 260
(a)140
(b)41
(c)30
(d)260
(e)195
Q3. 1, 3, 7, 13, 27, 53, 107
(a)3
(b)27
(c)7
(d)107
(e)1
Q4. 8, 11, 19, 43, 90, 211, 379
(a)90
(b)8
(c)19
(d)43
(e)211
Q5.692, 560, 470, 414, 384, 374, 370
(a)414
(b)470
(c)374
(d)370
(e)384
Q6. 15, 16, 24, 150, 199, 928, 1049
(a)24
(b)150
(c)16
(d)199
(e)928
Q7. 9, 6, 7, 12, 26, 67.5, 205.5
(a)205.5
(b)67.5
(c)12
(d)26
(e)9
Q8. 91, 110, 134, 166, 207, 262, 334
(a)110
(b)262
(c)207
(d)166
(e)334
Q9. 256, 64, 8, 2, 1, 1, 2
(a)64
(b)256
(c)1
(d)2
(e)8
Q10. 5, 3, 4, 10, 42, 360, 5776
(a)360
(b)3
(c)42
(d)5
(e)10
Q11. 16, 52, 101,165, 244, 346, 467
(a)467
(b)101
(c)52
(d)346
(e)244
Q12. 8, 37, 82, 145, 226, 325, 442
(a)8
(b)226
(c)325
(d)37
(e)82
Q13. 21, 11, 13, 30, 117, 579, 3469
(a)21
(b)579
(c)117
(d)30
(e)13
Q14. 918, 470, 248, 134, 78, 50, 36
(a)134
(b)248
(c)78
(d)50
(e)918
Q15. 196, 190, 182, 172, 168, 162, 154
(a)162
(b)196
(c)172
(d)154
(e)182
Solutions









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