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?  Choices:
A) 200
B) 250
C) 400
D) 500
E) 600
C's 1 day's work =	1	- 1	+	1 =	1	-	7	1 - 1 + 1= 
<gadget id="calculator">1 - 1 + 1</gadget>
<output>1</output>
1	-	7=	1	.   3	6	8	3	24	24   A's wages : B's wages : C's wages =	1	:	1	:	1	= 4 : 3 : 1.   6	8	24   C's share (for 3 days) = Rs. 3 x	1	x 3200 = Rs. 400.   24   Answer is 400
<result>C</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?