Mahesh can do a piece of work in 50days. He works at it for 20days and then Rajesh finished it in 30days. How long will Y take to complete the work?  Pick:
A) 45
B) 25
C) 37
D) 41
E) 50
Work done by Mahesh in 50days = 20*1/50 = 2/5   Remaining work = 1 - 2/5 = 3/5   3/5 work is done by Rajesh in 30days   Whole work will be done by Rajesh is   30*5/3= 
<gadget id="calculator">  30*5/3</gadget>
<output>50</output>
50days   Answer is 50
<result>E</result>
Mahesh can do a piece of work in 50days. He works at it for 20days and then Rajesh finished it in 30days. How long will Y take to complete the work?