Mahesh can do a piece of work in 40days. He works at it for 20days and then Rajesh finished it in 30days. How long will Y take to complete the work? Choose the correct choice from the following choices.
A) 45	B) 25	C) 37	D) 41	E) 60
Work done by Mahesh in 60days = 20*1/40 = 1/2   Remaining work = 1 - 1/2 = 1/2   1/2 work is done by Rajesh in 30days   Whole work will be done by Rajesh is   30*2= 
<gadget id="calculator">  30*2</gadget>
<output>60</output>
60days   Answer is 60
<result>E</result>
Mahesh can do a piece of work in 40days. He works at it for 20days and then Rajesh finished it in 30days. How long will Y take to complete the work?