GMAT Quantitative Reasoning Practice Test 3

Question : 28 of 100

Marks: +1, -0

Tom divided his cards between Tim and Din so each one received an odd amount of cards. The number of cards that Tim received multiplied by the number of cards that Din received is a number larger than 49 and smaller than 121. How many cards did Tom have in the first place?

Validate

Solution:

Answers A and E are disqualified immediately because those are even numbers that cannot be divided into two odd numbers. 22 is

11 + 11

but

11 × 11

is bigger than 121, the same idea with 14, therefore the answer is 18.

18=9+9.9 × 9=81

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