Latest MBA Aptitude Question SOLUTION: If (1 + x + x^5)^15 = a0 + a1x + a2x^2 + a3x^3 +. . .+a74x^74 + a75x^75,then for how many values of i (0 <= i <= 75) is ai != 0? -approach also plz

1) 76
2) 6