12, 20, 40, 72, 116, 172 ......... next number will be

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14 Jan 2013 sequence

12, 20, 40, 72, 116, 172 ......... next number will be

OPtion

1) 240
2) 236
3) 232
4) 220
5) 218
6) 216
7) 212
8) 210
9) 206
10) none of these

Solution

20-12 = 8
40-20 = 20
72-40 = 32
116-72 = 44
172-116 = 56
now 172+(56+12) = 240

Correct Option: 1 Best Solution (0)