next number of the sequence 1, 5, 14, 30, 55, 91 ........ will be

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15 Oct 2012 sequence

next number of the sequence 1, 5, 14, 30, 55, 91 ........ will be

OPtion

1) 120
2) 134
3) 140
4) 145
5) 151
6) 154
7) 158
8) 160
9) 164
10) none of these

Solution

1,5,14,30,55,91
difference of these numbers = 4,9,16,25,36,49
so next number = 91+49 = 140

Correct Option: 3 Best Solution (0)