GMAT Quantitative Reasoning Practice Test 3

Question : 48 of 100

Marks: +1, -0

(0< X< Y), X

is an odd number and

Y

is a prime number, which of the following can be the value of

X+Y

Solution:

Every prime number except 2 is an odd number. If

Y=2

, than

X

must have been 1 because

X

is smaller than

Y

but this answer doesn't appear among the answers and therefore

Y

is odd. If

X

and

Y

are both odd numbers, their sum must be an even number.

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