GMAT Quantitative Reasoning Practice Test 5

Question : 83 of 100

Marks: +1, -0

X is a two-digit number. If the ratio between the units digit and the tens digit is 1 to 2 , what is the value of

X

?
(1) The sum of the digits multiplied by the tens digit is 54 .
(2) The product of the digits divided by 2 is 9 .

Statement (1) BY ITSELF is sufficient to answer the question, but statement (2) by itself is not.
Statement (2) BY ITSELF is sufficient to answer the question, but statement (1) by itself is not.
Statements (1) and (2) TAKEN TOGETHER are sufficient to answer the question, even though NEITHER statement BY ITSELF is sufficient.
Either statement BY ITSELF is sufficient to answer the question.
Statements (1) and (2) TAKEN TOGETHER are NOT sufficient to answer the question, requiring more data pertaining to the problem.

Validate

Solution:

There are a limited number of possibilities:

21,42,63

and 84 .
According to statement (1), the only number that is compatible is 63 .
According to statement (2), the only number that is compatible is also 63.
Either statement alone is sufficient.

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