A and B undertake a piece of work for Rs. 250. A alone can do that wo…

Question

A and B undertake a piece of work for Rs. 250. A alone can do that work in 5 days and B alone can do that work in 15 days. With the help of C, they finish the work in 3 days. If every one gets paid in proportion to work…

Accepted Answer

Option A. Rs. 50. Answer & Solution Answer: Option A Solution: L.C.M. of Total Work = 45 One day work of A = 455 = 9 unit/day One day work of B = 4515 = 3 unit/day One day work of A + B + C = 453 = 15 unit/day & Efficiency of C & = 15 - ( 9 + 3 ) & = 3 & C's amount & = 25015 × 3 & = Rs . 50

A and B undertake a piece of work for Rs. 250. A alone can do that work in 5 days and B alone can do that work in 15 days. With the help of C, they finish the work in 3 days. If every one gets paid in proportion to work done by them, the amount C will get is ?

Solution