| 5 | 3 | 16 |
| 9 | 5 | 46 |
| 7 | 8 | ? |
A) 16
B) 56
C) 55
D) 57
Correct Answer: D
Solution :
In each row, the third term is product of first two terms plus 1. \[\therefore \] \[?=7\times 8+1=57\]
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