7 | 6 | 15 |
10 | ? | 12 |
35 | 12 | 90 |
A) 9
B) 4
C) 25
D) 11
Correct Answer: B
Solution :
\[7\times (10\div 2)=35\] \[15\times (12\div 2)=90\] Similarly, \[6\times (x\div 2)=12\] \[\Rightarrow \] \[6\times \frac{x}{2}=12\] \[\Rightarrow \] \[3x=12\] \[\therefore \] \[x=12\div 3=4\]You need to login to perform this action.
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