If between 1 and 1/31 there are n H.M.'sand ratio of 7th and (n–1)th harmonic means is 9 : 5. then value of n is

If between 1and 1/31 there are n H.M.M.l'sand ratio of 7th and (n-1) th harmonic means is 9: 5.then value of n is

If between 1 and 1/31 there are n H.M's and ratio of 7th and (n-1)^th harmonic means is 9:5, then values of n is

There are 'n' A.M.'s between 2 and 41. The ratio of 4th and (n - 1)th mean is 2 : 5, find the value of n.

There are 'n' A.M.'s between 2 and 41. The ratio of 4th and (n - 1)th mean is 2 : 5, find the value of n.

Between 1 and 31 are inserted m arithmetic means, so that the ratio of the 7th and (m - 1) th means is 5 : 9. then the value of m is

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

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

Between 1 and 31, m numbers have been inserted in such a way that the resulting sequence is an A.P. and the ratio of 7th and (m-1)th numbers is 5 : 9. Find the value of m.