A can do a particular work in 6 days . B can do the same work in 8 days. A and B signed to do it for Rs. 3200. They completed the work in 3 days with the help of C. How much is to be paid to C? Choose the correct choice from the following:
A) 100
B) 400
C) 300
D) 500
E) 700
Explanation :   Amount of work A can do in 1 day = 1/6   Amount of work 400 can do in 1 day = 1/8   Amount of work A + 400 can do in 1 day = 1/6 + 1/8 = 7/24   Amount of work A + 400 + C can do = 1/3   Amount of work C can do in 1 day = 1/3 - 7/24 = 1/24   work A can do in 1 day: work 400 can do in 1 day: work C can do in 1 day   = 1/6 : 1/8 : 1/24 = 4 : 3 : 1   Amount to be paid to C = 3200 × (1/8) = 400   ANSWER:400
<result>B</result>
A can do a particular work in 6 days . B can do the same work in 8 days. A and B signed to do it for Rs. 3200. They completed the work in 3 days with the help of C. How much is to be paid to C?