defence exam Agniveer Vayu Group X & XY Mock Test 01/2026 Mathematics Sequences and Series Harmonic Progressions

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

1
1
2
2
3
\(\frac{{P + Q}}{{PQ}}\)
4
\(\frac{{PQ}}{{P+Q}}\)
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