A alone can do a piece of work in 6 days and B alone in 8 days. A and B undertook to do it for Rs. 3200. With the help of C, they completed the work in 3 days. How much is to be paid to C?
Choose the correct answer:
A) Rs. 375	B) Rs. 400	C) Rs. 600	D) Rs. 800	E) None of these
C's 1 day's work = 1/3-(1/6+1/8)=1/3=7/24=1/24;   A's wages: B's wages: C's wages = 1/6:1/8:1/24=4:3:1;   C's share = Rs.(1/8*3200)=Rs.400.   Correct Option: Rs. 400
<result>B</result>
A alone can do a piece of work in 6 days and B alone in 8 days. A and B undertook to do it for Rs. 3200. With the help of C, they completed the work in 3 days. How much is to be paid to C?