question_answer

Direction: Choose the most appropriate option.

A can do a piece of work in 8 days and B alone car do the same work in 10 days. A and B agreed to do the work together for Rs 720. With the help of C they finished the work in 4 days. How much C is to be paid?

A) Rs 80         

B) Rs 82

C) Rs 72         

D) Rs 70