If for an infinite geometric progression, first term is 'a', common ratio is 'r', the sum is 8 and the second term is 7 / 8 , then :

CA Foundation · Quantitative Aptitude · PYQS · September 2024
If for an infinite geometric progression, first term is 'a', common ratio is 'r', the sum is 8 and the second term is 7 / 8 , then :
(A) A. a=4 & r= 7 / 16
(B) B. a=3 & r= 7 / 24
(C) C. a=7 & r= 1 / 8
(D) D. a=2 & r= 7 / 32

Suggested Answer and Working Notes:

Correct Answer: Option (C)

C. a=7 & r= 1 / 8

Topics: Part-A: Business Mathematics

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