Question

 Father 70kg mother 65kg brother 47kg sister 47kg are waiting on the bank of river kavery.their is single boat without boat man.The boat can carry the maximum of 100kgs suggest a method by which the whole family cross the river.

Answer 1

Let the side they standing be 1 and other side be 2 First 2 children can go 47+47=94 to 2side From 2side one child can come to 1side and in 1side mom only can come to 2side From 2side one child can come to 1side pick up the other child both can come to 2side From 2side one child can come to 1side and in 1side dad only can come to 2side From 2side one child can come to 1side pick up the other child both can come to 2side