Get detailed explanations to advanced GMAT questions.

When the even integer n is divided by 9, the remainder is 8. Which of the following, when added to n, gives a number that is divisible by 18?

Option A:

1

Option B:

4

Option C:

9

Option D:

10

Option E:

17

Option D is the correct answer.

Given that n=9q+8 and n is even –> n could be 8, 26, 44, …

What number from answer choices when added to 8 (for example) yields a multiple of 18?

Only option 10.

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