1.

A and B can complete a piece of work in 30 days and 80 days, respectively, and were paid Rs. 480 collectively for the complete work. However, they take the assistance of C and complete the work in 20 days. Find the share of C.

A. Rs. 160
B. Rs. 120
C. Rs. 40
D. Rs. 80
Answer» B. Rs. 120


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