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# Container Y is full of water and Container X, which has the capacity

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Math Expert
Joined: 02 Sep 2009
Posts: 58453
Container Y is full of water and Container X, which has the capacity  [#permalink]

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10 Jan 2018, 23:45
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Difficulty:

15% (low)

Question Stats:

80% (01:32) correct 20% (02:09) wrong based on 32 sessions

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Container Y is 1/4 full of water and Container X, which has 1/4 the capacity of container Y, is 3/5 full. If all the water in Container X is poured into Container Y then Container Y will be filled to what percent of its capacity?

A. 30%
B. 35%
C. 40%
D. 85%
E. 90%

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Intern
Joined: 16 Apr 2017
Posts: 12
Re: Container Y is full of water and Container X, which has the capacity  [#permalink]

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10 Jan 2018, 23:58
Ans: C
Total amount of water in tank Y= 5/20 + 3/20 = 8/20 => 40%

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Intern
Joined: 01 Oct 2017
Posts: 1
Re: Container Y is full of water and Container X, which has the capacity  [#permalink]

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11 Jan 2018, 06:32
Alternative:

Assume:

Capacity of Container Y as 100 litres.

1/4th of 100 litres= 25 litres

Now, Container X will have a capacity of (1/4)*100 = 25 litres

Container X is 3/5 full => (3/5)*25 = 15 litres.

Combined water = 25+15 = 40 litres.

Hence 40%

Ans: C

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Re: Container Y is full of water and Container X, which has the capacity  [#permalink]

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18 Jan 2018, 08:43
Bunuel wrote:
Container Y is 1/4 full of water and Container X, which has 1/4 the capacity of container Y, is 3/5 full. If all the water in Container X is poured into Container Y then Container Y will be filled to what percent of its capacity?

A. 30%
B. 35%
C. 40%
D. 85%
E. 90%

Let’s say that container Y has a capacity of 20 gallons and container X has a capacity of 5 gallons.

Thus, container Y has 1/4 x 20 = 5 gallons, and container X has 3/5 x 5 = 3 gallons.

If X is poured into Y, Y is filled to 5 + 3 = 8 gallons, or 8/20 = 2/5 = 40% of its capacity.

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Re: Container Y is full of water and Container X, which has the capacity   [#permalink] 18 Jan 2018, 08:43
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