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प्रश्न
Find H.M. of two positive numbers whose A.M. and G.M. are `15/2` and 6.
योग
उत्तर
A.M. = `15/2`, G.M. = 6
Now, (G.M.)2 = (A.M.) (H.M.)
∴ 62 = `15/2 xx "H.M"`
∴ H.M. = `36 xx 2/15`
∴ H.M. = `24/5`
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