Sequence And Series Question 13
Question: The sum of first two terms of a G.P. is 1 and every term of this series is twice of its previous term, then the first term will be
[RPET 1988]
Options:
A) 1/4
B) 1/3
C) 2/3
D) 3/4
Show Answer
Answer:
Correct Answer: B
Solution:
Given $ a+ar+1 $ and $ r=2 $ therefore $ a+2a=1 $
$ \Rightarrow $ $ a=\frac{1}{3} $ .
BETA
