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Question
In an AP, Sp = q, Sq = p and S denotes the sum of first r terms. Then, Sp+q is equal to
Options:
A .  0
B .  – (p + q)
C .  p + q
D .  pq
Answer: Option C
In an A.P. Sp = q, Sq = p
Sp+q = Sum of (p + q) terms
= Sum of p term + Sum of q terms
= p + q

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