If `n` arithemetic means are inserted between `20` and `80` such that the ratio of first mean to the last mean is `1:3,` then find the value of `n`.

If n arithmetic means are inserted between 1 and 31 such that the ratio of the first mean and nth mean is 3:29 then the value of n is a. 10 b. 12 c. 13 d. 14

If n arithmetic means are inserted between 7 and 71 such that 5^(th) A.M. is 27 then n= ?

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.

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.

If 11 arithmetic means are inserted between 20 and 10, the number of integral arithmetic means are

There are n A.M.s between 3 and 17. The ratio of the last mean to the first mean is 3:1. Find the value of ndot

There are n A.M.s between 3 and 17. The ratio of the last mean to the first mean is 3:1. Find the value of ndot

If n arithmetic means are inserted between 2 and 38, then the sum of the resulting series is obtained as 200. Then find the value of ndot

If n arithmetic means are inserted between 2 and 38, then the sum of the resulting series is obtained as 200. Then find the value of ndot

n aritmetic means are inserted between 7 and 49 and their sum is found to be 364, then n is :