IBPS Clerk Prelims Model Paper 9

The numbers increase in the following pattern:
1 + 12 = 1 + 1 = 2
2 + 22 = 2 + 4 = 6
6 + 32 = 6 + 9 = 15
15 + 42 = 15 + 16 = 31
31 + 52 = 31 + 25 = 56
Similarly, 56 + 62 = 56 + 36 = 92
Hence, the missing number is ‘92’.