A and B undertake to do a piece of work for Rs. 1200. A alone can do it in 6 days while B alone can do it in 8 days. With the help of C, they finish it in 3 days. Find the share of C.	Choose the correct choice from the following choices:
A) 150
B) 450
C) 750
D) 800
E) None of them
C's 1 day's work = 1/3-(1/6+1/8)=24   A : B : C = Ratio of their 1 day's work = 1/6:1/8:1/24= 4 : 3 : 1.   A’s share = Rs. (1200 *4/8) = Rs.600, B's share = Rs. (1200 *3/8) = Rs. 450   C's share = Rs. [1200 - (300 + 225») = Rs. 150.   150nswer is 150
<result>A</result>
A and B undertake to do a piece of work for Rs. 1200. A alone can do it in 6 days while B alone can do it in 8 days. With the help of C, they finish it in 3 days. Find the share of C.