A) Rs. 1800
B) Rs. 1200
C) Rs. 900
D) Rs. 800
Correct Answer: B
Solution :
Ratio of work done by X, Y and Z \[=\frac{1}{2}:\frac{1}{3}:\frac{1}{4}\] \[=6:4:3\] Now, ratio in their amount \[=6:4:3\] \[\therefore \] Part of Y \[=\frac{4}{6+4+\text{ }3}\times 3900\] \[=Rs.\,1200\]You need to login to perform this action.
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