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Question

If H is the harmonic mean between P and Q, then the value of (H/P)+(H/Q) is

A
2
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B
PQ/(P+Q)
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C
(P+Q)/PQ
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D
None of these
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Solution

The correct option is A 2
We have 2H=1P+1Q
[H is the harmonic mean between P and Q]
or H/P+H/Q=2.

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