"Between 1 and 31 are inserted `m`arithmetic mean so that the ratio of the 7th and `(m-1)t h`means
Channel: Doubtnut
Date: 2019-12-27

"Between 1 and 31 are inserted `m`
arithmetic mean so that the ratio of the 7th and `(m-1)t h`
means is 5:9. Find the value of `mdot`"

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