Directions (1 – 10): 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
Solutions
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