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. 2400. They completed the work in 3 days with the help of C. How much is to be paid to C?  Choose the correct option:
A) s. 300
B) s. 600
C) s. 420
D) s. 400
E) s. 480
Explanation :   s. 300mount of work s. 300 can do in 1 day = 1/6   s. 300mount of work B can do in 1 day = 1/8   s. 300mount of work s. 300 + B can do in 1 day = 1/6 + 1/8 = 7/24   s. 300mount of work s. 300 + B + C can do = 1/3   s. 300mount of work C can do in 1 day = 1/3 - 7/24 = 1/24   work s. 300 can do in 1 day: work B can do in 1 day: work C can do in 1 day   = 1/6 : 1/8 : 1/24 = 4 : 3 : 1   s. 300mount to be paid to C = 2400 × (1/8) = 300   s. 300nswer : Option s. 300
<result>A</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. 2400. They completed the work in 3 days with the help of C. How much is to be paid to C?