Analytical - A family with a husband, his wife and their child are at one side of river.They want to cross the ri

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A family with a husband, his wife and their child are at one side of river.
They want to cross the river on a boat. The child can't be left alone.
The only available boat can hold only one person and the boatboy.
Only the boatboy can row the boat.
What is the minimum number of trips from on bank to the other, that the boatboy has to make
for the whole family to reach the other side.

Total Answers and Comments: 5

Last Update: June 12, 2006 Asked by: neena

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May 31, 2006 02:11:28

neelam

RE: A family with a husband, his wife and their child ...

The Boat Boy has to make three round trip:

1) First trip he can take the Husband or wife will leave it at other end then will be back

2) second he will take the child leave with the father or mopther at the other end

3) the third person wither father or mother who are left

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June 05, 2006 07:16:38

Nitin Sahdev

RE: A family with a husband, his wife and their child ...

according to my thinking it can be done in 2 trips.Practically mother +child are not going to be more than father.so it can be that1) boatboy + (mother+Child)/Father and leave them to other side2) boatboy + the one who is left and leave them to the other side.

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June 09, 2006 16:17:28

Zoheb

RE: A family with a husband, his wife and their child ...

It will take 5 trips from one bank to the other.

First:Taking father/mother to the 2nd bank.

Second:Coming back to the first bank.

Third:Taking child to the 2nd bank.

Fourth:Moving back to the first bank.

Fifth:Taking mother/father to the 2nd bank

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June 11, 2006 10:49:33

narendra kumar

RE: A family with a husband, his wife and their child ...

i think there are 3 trips

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June 12, 2006 02:47:43

udaykapavarapu

Member Since: June 2006 Contribution: 1

RE: A family with a husband, his wife and their child ...

i think the trips are 5 because a trip is considered from one bank to other bank

so the 1st: father/mother to other bank.

2nd:boatboy again to the first bank.

3rd:boy to otherbank.

4th:boatboy again to the first bank.

5th:father/mother who is there on the other bank to the first bank

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