[" If "n" arithmetic means are inserted between "20" and "80" such that the ratio of first meantotielastremis "],[1:3," then find the value of "n" ."]

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

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 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 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

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

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

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

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 2 and 38, then the sum of the resulting series is obtained as 200. Then find the value of n.

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 n.