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# If a be the arithmetic mean and b, c be the two geometric means betwee

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Manager
Joined: 12 Jan 2019
Posts: 88
If a be the arithmetic mean and b, c be the two geometric means betwee  [#permalink]

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12 Jan 2019, 22:53
00:00

Difficulty:

(N/A)

Question Stats:

0% (00:00) correct 100% (03:43) wrong based on 1 sessions

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If a be the arithmetic mean and b, c be the two geometric means between any two positive
numbers, then (b3 + c3) /abc equals
(a) $$(ab)^\frac{1}{2} /c$$
(b) 1
(c) $$\frac{a^2c}{b}$$
(d) None of these

Math Expert
Joined: 02 Aug 2009
Posts: 7199
Re: If a be the arithmetic mean and b, c be the two geometric means betwee  [#permalink]

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12 Jan 2019, 23:06
UdayPratapSingh99 wrote:
If a be the arithmetic mean and b, c be the two geometric means between any two positive
numbers, then (b3 + c3) /abc equals
(a) $$(ab)^\frac{1}{2} /c$$
(b) 1
(c) $$\frac{a^2c}{b}$$
(d) None of these

Please don't post questions which are not related to GMAT..
The scope of this question is out of GMAT..

Post questions from relevant GMAT sources.

_________________

1) Absolute modulus : http://gmatclub.com/forum/absolute-modulus-a-better-understanding-210849.html#p1622372
2)Combination of similar and dissimilar things : http://gmatclub.com/forum/topic215915.html
3) effects of arithmetic operations : https://gmatclub.com/forum/effects-of-arithmetic-operations-on-fractions-269413.html

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Re: If a be the arithmetic mean and b, c be the two geometric means betwee &nbs [#permalink] 12 Jan 2019, 23:06
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