Sixty men complete a work in 25 days. One man starts working it at and thereafter one more man joins him every day. In how many
days the work will be completed?  Choose the correct choice from the following answers:
A) 22 B) 52 C) 24 D) 55 E) 65
1 mens 1 day work =1/1500   1/1500(1+2+3+........n)=1(as total work=1)   We need to find n it cannot be greater than 60   Here the answer is 55(approx)   ANSWER:55
<result>D</result>
Sixty men complete a work in 25 days. One man starts working it at and thereafter one more man joins him every day. In how many
days the work will be completed?