GMAT Quant Online Course –> Number Theory Test –> Question 5
Hi,
Please provide correct solution to below question. The solution available in the Test question explanation does not make sense.
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If p and q are integers, what is the remainder when p^2 + q^2 is divided by 5?
I. When p-q is divided by 5, the remainder is 1.
II. When p+q is divided by 5, the remainder is 2.If p and q are integers, what is the remainder when p2 + q2 is divided by 5? I. When p-q is divided by 5, the remainder is 1. II. When p+q is divided by 5, the remainder is 2.
Answer provided in solution lacks key details which can explain the correct answer.
Thanks.
Hi,
Please help with this question.
Thanks.