Ramesh can finish a piece of work in 22 days. Rohan is twice as efficient as Ramesh. If they work together how many days will they need to finish the same amount of work?  Pick one:
A) 22/3 days
B) 9/3 days
C) 10/3 days
D) 11/3 days
E) 7/3 days
Ramesh can finish a piece of work in 22 days. Rohan is twice as efficient as Ramesh.   So Rohan can finish a piece of work in 11 days.   days needed to finish the same amount of work = 1/(1/11+1/22)=22/3 days   22/3 daysNSWER:22/3 days
<result>A</result>
Ramesh can finish a piece of work in 22 days. Rohan is twice as efficient as Ramesh. If they work together how many days will they need to finish the same amount of work?