If `n` arithemetic means are inserted between `20a n d80` such tht the ratio of first mean to the last mean is `1:3,` then find the value of `ndot`

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 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

Suppose m arithmeti means are inserted between 1 and 31. If the ratio of the second mean to the mth mean is 1:4, then m is equal to

There are n arithmetic means between 9 and 27 . If the ratio of the last mean to the first mean is 2:1, find the value of 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.

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 n.