Three friends, Raju, Ramu and John wanted to cross a river in small country boat, but it wouldn't carry more than 100 kilos.
Raju weighed 60 kilos, Ramu weighed 50 and the three together did not weigh more than 156 kilos.
How could they cross the river?
Before you go for the answer please comment your answer!
Firstly Ramu and John should get into the boat and cross the river. Then Ramu should leave John on to the bank and bring the boat to th other side where Raju is standing. Then let Raju row the boat to the other side and allow John to bring back the boat so that Ramu and John can cross to join Raju.