n A.M.'s are inserted between 1 and 31 such that the ratio of the 7th and `(n-1)` th means is 5:9. Find n.

n A.M.'s are inserted between 1 and 31 such that the ratio of the 7 th and (n-1) th means is 5:9. Find n.

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

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

If n A.M.'s are inserted between 20 and 80 such that the ratio of first mean to the last mean is 1:3 then the value of n is

There are m arithmetic means between 5 and -16 such that the ratio of the 7th mean to the (m-7)th mean is 1:4. Find the value of m.

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

There are m A.M.s' between 1 and 31 . If the ratio of the 7^(th) and (m-1)^(th) means is 5:9 then m=

n arithmetic means are inserted between 3 and 17 such that ratio of first and the last means is 1: 3, find n.