Question

100 adults and 2 child need to cross a river on a boat which can carry a maximum of 1 adult or 2 children at a time.If,initially,all of them are present on the same side of the river,how many times will the boat travel across the river to move all of them to the other side?​

Answer 1

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With these 5 steps the whole family reach the other side of river.

Step-by-step explanation:

There are 4 persons they need to cross a river. A father, mother and two kids

1. Both kids cross the river but one of them returns with boat.

2. one adult cross the river then second kid

returns with boat. 3. Both kids cross the river again and one of

them returns with boat.

4. second adult cross the river and second kid returns with boat.

5. Now at last both kids cross the river.