Latest TCS Aptitude Question SOLUTION: there are 4 couple who have to cross a river,every husband has to go with his wife.find minimum ways in which they can cross the river,if there is only 1 boat

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there are 4 couple who have to cross a river,every husband has to go with his wife.find minimum ways in which they can cross the river,if there is only 1 boat

Asked In TCS abhishek mishra (10 years ago)

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ritabrata gautam  (10 years ago)

1>how many persons per ride at a time is not said ...may be dummy
2> as no. of persons per ride is not specified then you may take a 8 persons on a single ride then answer is 1
3>if you take 2 persons at a time(generally this is the condition)
h1w1--->

Is this solution Helpfull? Yes (17) | No   

Aastutee sahu  (10 years ago)

16 ways
H1 would go either with H2 or H3 or H4.
similarly H2 can go with either H3 or H4
and the H3 can go with H4.
so total possibilities is 6ways.

similarly for its 6ways
and
3rd case is H1 can go with W1, H2 --> W2, H3--> W3, H4 --> W4 which equals 4 ways.
so total ways is 6+6+4= 16 ways.

Is this solution Helpfull? Yes (9) | No (14)  

Kiruba  (10 years ago)

MM WW HW
4C2 4c2 4ways
6 + 6 + 4=16 ways

Is this solution Helpfull? Yes (6) | No (3)  

kopal agrawal  (10 years ago)

its 7.......

Is this solution Helpfull? Yes (5) | No   

Manjunath V  (10 years ago)

15 ways..

Is this solution Helpfull? Yes (3) | No   

Shishir Singh  (10 years ago)

I think this may help:
http://www.mathsisfun.com/puzzles/the-four-elopements-solution.html

Is this solution Helpfull? Yes (2) | No   

garima sharma  (10 years ago)

here the capacity of the boat is not given that how many people can travel on boat at a time..
so no. of minimum way can be considered to be 1.

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rajat goel  (10 years ago)

if considering that we are taking a couple at a time . then simply it will be 4*3*2*1 = 24

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Guru Pranav  (10 years ago)

Dummy else i think total of 6 times,
4 times for each couple,
then 2 times for 2 man each !!!

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Manjunath V  (10 years ago)

how many people can go at a time...?

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harsh singh  (10 years ago)

1/24 is the answer

Is this solution Helpfull? Yes | No (4)  

kannan  (10 years ago)

ans 16
(m1*m2)=m2, (m1*w1)=m2(m1*w1); then m2 take (m2*m3)=m3,(m2*w2)=m3(m2*w2); like wise

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