Sequence And Series Question 357
Question: The two geometric means between the number 1 and 64 are
[Kerala (Engg.) 2002]
Options:
A) 1 and 64
B) 4 and 16
C) 2 and 16
D) 8 and 16
Show Answer
Answer:
Correct Answer: B
Solution:
Let 1,a, b, 64
$ \Rightarrow a^{2}=b $ and  $ b^{2}=64a $
$ \Rightarrow a=4 $  and $ b=16 $ .
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