Sequence And Series Question 222
Question: If the A.M. and H.M. of two numbers is 27 and 12 respectively, then G.M. of the two numbers will be
[RPET 1987]
Options:
9
18
24
36
Show Answer
Answer:
Correct Answer: B
Solution:
Let two numbers $ a $ and $ b $ . We have $ G=\sqrt{ab} $ $ \Rightarrow $ G.M. $ =\sqrt{27\times 12}=6\sqrt{3} $ .
BETA
