MCQOPTIONS
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| 1. |
If \[H\] is the harmonic mean between \[p\] and \[q\], then the value of \[\frac{H}{p}+\frac{H}{q}\] is [MNR 1990; UPSEAT 2000, 01] |
| A. | 2 |
| B. | \[\frac{pq}{p+q}\] |
| C. | \[\frac{p+q}{pq}\] |
| D. | None of these |
| Answer» B. \[\frac{pq}{p+q}\] | |