Latest TCS Aptitude Question SOLUTION: Consider two tumblers, the first containing one litre of milk ad the second containing one litre of coffee. Suppose you take one glass of milt out of the first tumbler and pour it

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Consider two tumblers, the first containing one litre of milk ad the second containing one litre of coffee.
Suppose you take one glass of milt out of the first tumbler and pour it into the second tumbler. After mixing
you take one glass of the mixture from the second tumbler and pour It back into the first tumbler. Which
one of the following statements holds now?
• None of the statements holds true.
• There is less coffee in the first tumbler than milk in the second tumbler.
• There is as much coffee in the first tumbler as there is milk in the second tumbler.
• There is more coffee in the first tumbler than milk in the second tumbler.

Asked In TCS Preeti Dhiman (13 years ago)

Solved animesh paul Read Solution (10)

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Read Solution (10) :

animesh paul  (13 years ago)

#there is as much coffee in the first tumbler as there is milk in the second tumbler.# :)
suppose in 1st tumbler 100w(water)
in 2nd tumbler 100m(milk)

let us take 1 glass=10
thus after removing 1 glass from 1st tumbler..
in 1st tumbler=90w
in 2nd tumbler=100m+10w
thus ratio of milk to water in 2nd tumbler=10:1

now we remove 1 glass from the 2nd tumbler
thus milk removed to glass 1=(10/11)*10=100/11m
water removed=(1/11)*10=10/11w

thus water in 1st tumbler=10/11w+90w=90.9w
milk in 1st tumbler=100/11m=9.09m

now milk in 2nd tumbler=100m-9.09m=90.9m
water in 2nd tumbler=10w-10/11w=1

Is this solution Helpfull? Yes (49) | No (6)  

Rupkatha Nag  (13 years ago)

ans:)There is less coffee in the first tumbler than milk in the second tumbler
This is because when we pour a glass of milk in the tumbler of coffee,we are getting a 100% pure content of milk in the coffee.But when we put a glass of this mixture in the tumbler of milk then we don't get pure coffee in it but a mixture which contains some portion of milk also.Thus there is less coffee in the first tumbler than milk in the second tumbler.

Is this solution Helpfull? Yes (38) | No (20)  

suchandra raavi  (13 years ago)

Sorry A cannot be true in the first case as i siad . Only C can be true.

Is this solution Helpfull? Yes (17) | No (6)  

suchandra raavi  (13 years ago)

If the liquid taken from the two tumblers is less than 1 liter,both A and C are true. If the liquid taken out is 1 liter, only C is true.Two know how C is true in both cases look at the apple-orange example in the link:
http://writer.zoho.com/public/suchandra/ques

Is this solution Helpfull? Yes (11) | No (4)  

RAVI  (13 years ago)

both the container contains same amount of liquid

Is this solution Helpfull? Yes (8) | No (10)  

Krishna KAnt Tiwari  (13 years ago)

Amount will be same in both bro........
so the ans will be option (a)

Is this solution Helpfull? Yes (4) | No (10)  

surajit mondal  (13 years ago)

yahhh answer c will be rtght because the amount of water is very low

Is this solution Helpfull? Yes (2) | No (2)  

SUBHAJYOTI KARMAKAR  (9 years ago)

ans will be option (a)

Is this solution Helpfull? Yes (1) | No (1)  

jagmohan singh  (11 years ago)

ans is d part,assume that each container contain 100 ml liquid -so 1 container contain 1000/11 ml water and 100/11 ml coffee,and 2 container contain 100/11 ml water and 1000/11 ml coffee. then ans is d part(read carefully the question option )

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anuradha puligoti  (8 years ago)

the answer is 30

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