Latest Infosys Aptitude Question SOLUTION: there are 3 custoners who wants to take a hair cut and shave. there are 2 barbers who takes one quarter of an hour for a hair cut, and 5 minutes for a shave. both the barbers wan

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there are 3 custoners who wants to take a hair cut and shave. there are 2 barbers who takes one quarter of an hour for a hair cut, and 5 minutes for a shave. both the barbers want to finish off and go quickly to their homes. in what time can do it.

Asked In Infosys Aditi Sharma (12 years ago)

Solved dharmil Read Solution (3)

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dharmil  (12 years ago)

one barber should hair cut 2 customers which is (15+15) minutes.
other barber should haircut 1 customer and shave 3 customers which takes(15+5+5+5) minutes.
so both of them can complete their work in 1/2 hour(30 minutes)individually.

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sindhuja  (12 years ago)

35mins..
2 hair cuts simultaneously (15mins)
2 shaves simultaneously (5mins)
1 hair cut + 1 shave (15mins)

3 customers cannot take d shave in 15mins because one of them will be taking the hair cut.. so 30mins cannot be the minimum time taken.

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Tarun  (9 years ago)

Let us take 3 customers as A,B,C.
Let us take 2 Barbers as X,Y.
First X cuts hair for A for 15 min .............................................. (1)
Alternately Y completes shave for B,C in 10 minutes..........................(2)
Then completion of shave Y starts Haircut for B or C for 15 minutes...........................(3)
So Total time upto now for Y is 25 minutes
After X completion of hair cut to A he starts cutting for B or C..................................(4)
Lastly A has to be shaved which will be finished by Y for 5 minutes



So if u See Both Barbers are spending 30 minutes each

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