Directions (1 – 15): In each of these questions a number series is given. Find what comes at the place of question (?) mark.
Q1. 11, 13, 17, 25, 41, ?
(a)73
(b)79
(c)82
(d)90
(e)68
Q2. 21, ?, 46, 66, 91, 121
(a)39
(b)31
(c)29
(d)27
(e)33
Q3. 3, 6, 14, 38, ?, 206
(a)154
(b)126
(c)86
(d)112
(e)72
Q4. 2, 12, ?, 240, 720, 1440
(a)72
(b)84
(c)36
(d)60
(e)48
Q5. 3, 6, ?, 42, 123, 366
(a)12
(b)24
(c)15
(d)18
(e)21
Q6. 11, 16.5, 22, 27.5, ?, 38.5
(a)34.5
(b)32
(c)30.5
(d)31.5
(e)33
Q7. 390, 300, 244, 214, ?, 200
(a)210
(b)208
(c)206
(d)204
(e)202
Q8. ?, 45, 36, 43, 34, 41
(a)38
(b)28
(c)36
(d)54
(e)27
Q9. 7, 25, ?, 69, 99, 137
(a)39
(b)58
(c)62
(d)45
(e)57
Q10. 761, 592, 448, 327, ?, 146
(a)302
(b)264
(c)292
(d)276
(e)227
Q11. 15, 23, ?, 96, 121, 337
(a)48
(b)32
(c)56
(d)64
(e)70
Q12. ?, 21, 22, 34.5, 71, 180
(a)20
(b)41
(c)36
(d)40
(e)32
Q13. 5, ?, 125, 625, 3125,15625
(a)100
(b)15
(c)25
(d)20
(e)30
Q14. 63, 242, 255, 124, 35, ?
(a)50
(b)6
(c)12
(d)48
(e)18
Q15. 161, 120, ?, 72, 61, 56
(a)91
(b)84
(c)101
(d)104
(e)99
Solutions





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