GMAT Quantitative Reasoning Practice Test 4

Question : 74 of 100

Marks: +1, -0

Q

and

R

are numbers between 0 and 9 . When multiplying 71 by another double-digit number the result is

7 P Q

. Which of the following could represent

Q

Solution:

We have two choices:

71 × 10=710

71 × 11=781

.
Therefore, Q can be 0 or 1 . The answer is 1 .

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