GMAT Data Sufficiency (DS) | Re: If p and n are positive integers and p > n, what is the

tricky question!
1) not enough data
2) not enough data
1+2) seems to be correct, but if we test different numbers like, let p+n=6, p-n=4, the remainder will be 9
if we take other numbers p+n=21, p-n=6, then 126/15 will give remainder of 11
Answer is E

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