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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