Ramesh can finish a work in 20 days and Sushil in 25 days. They both work together for 5 days and then Sushil goes away. In how many days will Ramesh complete the remaining work? Choices
A) 11 B) 87 C) 66 D) 88 E) 62
(5 + x)/20 + 5/25 = 1 =&gt; x = 11 days   Answer: 88
<result>D</result>
Ramesh can finish a work in 20 days and Sushil in 25 days. They both work together for 5 days and then Sushil goes away. In how many days will Ramesh complete the remaining work?