A) 38
B) 40
C) 42
D) 44
Correct Answer: B
Solution :
From \[\frac{{{M}_{1}}{{D}_{1}}}{{{W}_{1}}}=\frac{{{M}_{2}}{{D}_{2}}}{{{W}_{2}}}\] \[\Rightarrow \] \[\frac{24\times 15}{180}=\frac{{{M}_{2}}\times 12}{240}\] \[\Rightarrow \] \[{{M}_{2}}=\frac{24\times 15\times 240}{180\times 12}=40\] \[\therefore \] \[{{M}_{2}}=40\] Hence, 40 clerks required to complete the work in time.
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