AAI ATC Junior Executive 25 Mar 2021 Shift 1 Paper

Question : 85 of 120

Marks: +1, -0

A batch comprises of 4 red and 7 green uniform boys. Figure out the number of methods can a squad of 5 unit be picked if the squad has (i) at least one red and one green uniform boy (ii) at least 3 red uniform boys?