Portfolio Game

In how many ways can an investor select three mutual funds for his investment portfolio from a recommended lis?

In how many ways can an investor select three mutual funds for his investment portfolio from a recommended list of ten mutual funds?

Public Comments

1. this is a COMBINATION problem, i.e. from 10 , we choose 3, and order of choice is immaterial. the formula is nCr = [ n! / (r! * (n-r)! ] where n! is read as factorial n & = n(n-1)(n-2).....1 so here it is 10C3 = 10! /(3! * 7!) which simplifies to 10*9*8 / (3*2*1) = 120 --------