There are n AM's between 1 & 31 such that `7th mean : (n - 1)th mean = 5:9`, then find the value of n.

There are nAM's between 1&31 such that 7 th mean :(n-1)th mean =5:9, then find the value of n

There are n A.M. s between 3 and 29 such that 6th mean : (n - 1) th mean ::3 :5 then 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.

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 AM.'s between 7 and 85 such that (n-3)th mean : nth mean = 11 : 24.Find n.

There are p A.M.'s between 5 and 41 and third mean : (p-1)th mean = 2 : 5, find p.

There are n A.M.'s between 5 and 35. If second mean : last mean = 1 : 4, then find n.

There are n A.M.'s between 1 and 51 and fourth mean : seventh mean = 3 : 5, Determine n.