Let Sn, denote the sum of the first n terms of an AP. If S2n = 3Sn, then S3n : Sn is equal to:

Let Sn, denote the sum of the first n terms of an AP. If S2n = 3Sn, t

1.	Let Sn, denote the sum of the first n terms of an AP. If S2n = 3Sn, then S3n : Sn is equal to:
A.	6
B.	8
C.	4
D.	10
Answer» B. 8

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Let Sn, denote the sum of the first n terms of an AP. If S2n = 3Sn, then S3n : Sn is equal to:

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