| 9 | 3 | 7 |
| 12 | 2 | 9 |
| 13 | 5 | ? |
| 1404 | 30 | 504 |
A) 5
B) 8
C) 15
D) 56
Correct Answer: B
Solution :
The product of the first three numbers in each column is equal to the lowermost number. 1st column \[9\times 12\times 13=1404\] 2nd column \[3\times 2\times 5=30\] 3rd column \[7\times 9\times ?=504\] \[\therefore \] \[?=\frac{504}{7\times 9}=8\]
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