In how many different ways can 3 identical green shirts and 3 identical red shirts be distributed among 6 children such that each child recieves a shirt?
সমাধান
সঠিক উত্তর: Option A
এখানে ,⁶C₃ =6!/(3! 3!)
=(6.5.4.3 !)/(3.2.1.3!)
=2.5.2
=20
=(6.5.4.3 !)/(3.2.1.3!)
=2.5.2
=20
