Man1 alone can do a piece of work in 6 days and Man2 alone in 8 days. Man1 and Man2 undertook to do it for Rs. 3200. With the help of Man3, they completed the work in 3 days. How much is to be paid to Man3?
Pick.
A) 400
B) 200
C) 100
D) 150
E) 500
Man3 1 day work = 1/3-(1/6+1/8) = 1/3-7/24 = 1/24   Man1 : Man2: Man3 = 1/6:1/8:1/24 ==&gt;4:3:1   Man3 share = 3*1/24*3200= 
<gadget id="calculator">3*1/24*3200</gadget>
<output>400</output>
Rs 400   400NSWER 400
<result>A</result>
Man1 alone can do a piece of work in 6 days and Man2 alone in 8 days. Man1 and Man2 undertook to do it for Rs. 3200. With the help of Man3, they completed the work in 3 days. How much is to be paid to Man3?