`'n' A.M's` are inserted between a and 2b, and then between 2a and b. If `p^(th)` mean in each case is a equal,`a/b` is equal to

n arlithmetic means are inserted between xa n d2y and then between 2xa n dydot If the rth means in each case be equal, then find the ratio x//ydot

If eleven A.M. ‘s are inserted between 28 and 10, then find the number of integral A.M. ‘s.

Insert four G.M.s between 2 and 486.

a , b , c , d are in increasing G.P. If the AM between a and b is 6 and the AM between c and d is 54 , then the AM of a and b is

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 are the n Arithmetic means between a and b , then 2sum_(I - 1)^(n)a_(i) =

Insert four H.M.s between 2/3 and 2/13.

a cot theta+b cosec theta=p and b cot theta+ a cosec theta=q then p^(2)-q^(2) is equal to