If `N` is the number of ways in which 3 distinct numbers canbe selected from the set `{3^1,3^2,3^3, ,3^(10)}` so that they form a G.P. then the value of `N//5` is ______.

Find the number of ways in which 3 distinct numbers can be selected from the set {3^(1),3^(2),3^(3),..,3^(100),3^(101)} so that they form a G.P.

Statement 1: The number of ways in which three distinct numbers can be selected from the set {3^(1),3^(2),3^(3),3^(100),3^(101)} so that they form a G.P.is 2500. Statement 2: if a,b,c are in A.P.then 3^(a),3^(b),3^(c) are in G.P.

Number of ways in which three numbers in AP can be selected from 1,2,3, . .,n is

Given that n is odd, number of ways in which three numbers in AP can be selected from 1, 2, 3,……., n, is

The number of ways in which n ties can be selected from a rack displaying 3n different ties, is

Let N denotes the number of ways in which 3n letters can be selected from 2n A's, 2nB's and 2nC's. then,

The total number of ways in with three distinct numbers in A.P.can be selected from the set {1,2,3,............24} is equal to a.66 b.132c 198d.none of these