GMAT Quantitative Reasoning Practice Test 2

Question : 29 of 100

Marks: +1, -0

There are 200 cats in Cat-City. Out of the 200,70 are street cats and the rest are domestic cats. 110 cats are gray, 30 out of the gray cats are domestic ones. How many domestic cats are there which are not gray in Cat-City?

Validate

Solution:

Out of 200 cats, 130 are domestic ones. Out of 110 gray cats, 30 are street cats therefore 80 are grey and domestic ones.
Altogether there are 130 domestic cats, 80 are grey so

130-80=50

are not grey.

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