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a, b, c are the first three terms of geo...

a, b, c are the first three terms of geometric series. If the H.M. of a and b is 12 and that of b and c is 36 then which of the following hold(s) good?

A

9, 16, 27, 41, 58

B

8, 24, 72, 216, 648

C

4, 22, 38, 46, 57

D

2, 6, 18, 54, 162

Text Solution

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The correct Answer is:
B
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