GMAT Online Course | Number Properties Sample Question | Sequences & Series | Problem Solving Practice
A GMAT 650 Level Sequences & Series Question. We have to find the common ratio of the GP.
If the ratio of the sum of the first 6 terms of a G.P. to the sum of the first 3 terms of the G.P. is 9, what is the common ratio of the G.P?
Step 1: Calculate the ratio of sum of first 6 terms to the first 3 terms of the GP.
Step 2: Compute the common ratio by equating the ratio of sum of first 6 terms and first 3 terms of the GP to 9.
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