Wrong answer in (I'm Overwhelmed) Arithmetic Progress Quiz #6 Question 13?

The question explicitly asks for the second smallest value of n. It also says n is a positive integer.

The answer assumes the smallest value of n is zero, to arrive at option B, but zero is not a positive integer therefore it cannot be n.

Right?

What is the entire question?

The smallest value of n is 3, not 0?

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When 3 is divided by 7, the remainder is also 3.
So the smallest value of n is 3.
Next smallest value being 10.
Thus, 17 is greater.

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