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.

Question
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?

A. 3
B. 1/3
C. 2
D. 9
E. 1/9

Approach:
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.

Sign up for the most comprehensive and affordable online GMAT quant course @ https://gmat.wizako.com/gmat-online-course-gmat-online-coaching-classes.shtml and ace GMAT maths section.

Free GMAT verbal and GMAT quant practice questions @ http://qn.wizako.com

Join Wizako’s Intensive Weekend and Weekday GMAT coaching classes for GMAT quant and GMAT verbal at Chennai. Details of next batch @ https://classes.wizako.com/gmat/gmat-coaching-classes-chennai.shtml

You can join as a member of Wizako’s channel and enjoy additional perks available only to members of the channel. Click here to become a member https://www.youtube.com/channel/UC_6hTObvQksRv7fo-Nehb4w/join

#GMATSampleQuestion #GMAT #GMATNumberProperties #GMATSequences #arithmeticprogressions

source

### Fill this form and get best deals on " Coaching classes"

• Get immediate response from the institutes
• Compare institutes and pick only the best!
• Feel free to choose the institute you like, and rest will be taken care of
1 Comment