1.

If the ratio of the sums of first p terms and q terms of an arithmetic progression is p2 : q2, then the ratio of its pth and qth terms is:

A. (p + 1) : (q + 1)
B. p : q
C. (2p + 1) : (2q + 1)
D. (2p – 1) : (2q – 1)
Answer» E.


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