7, 19, 37, 61, ?

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06 Jun 2012 sequence

7, 19, 37, 61, ?

OPtion

1) 91
2) 93
3) 97
4) 103
5) 105
6) 123
7) 125
8) 129
9) 131
10)none of these

Solution

2^3-1^3 = 8-1 = 7
3^3-2^3 = 27-8 = 19
4^3-3^3 = 64-27 = 37
5^3-4^3 = 125-64 = 61
6^3-5^3 = 216-125 = 91

Correct Option: 1 Best Solution (0)