| 1 | 7 | 9 |
| 2 | 14 | ? |
| 3 | 105 | 117 |
A) 26
B) 20
C) 16
D) 12
Correct Answer: D
Solution :
In the first column \[2\times 1+1=3\] In the second column \[14\times 7+7=105\] If x is the missing number, then \[x\times 9+9=117\Rightarrow x=12\]
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