A) Rs. 8400
B) Rs. 16800
C) Rs. 9450
D) Rs. 16200
Correct Answer: C
Solution :
More persons, more earning ( Direct Proportion) Less working hour less earning (Direct Proportion) \[\left. \begin{matrix} 6 & : & 9 \\ 8 & : & 6 \\ \end{matrix} \right\}:\,\,:8400:x\] Where, x = Required earning Therefore, \[6\times 8\times x=9\times 8400\Rightarrow x=\frac{9\times 6\times 8400}{6\times 8}\] x = Rs. 9450You need to login to perform this action.
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