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?
A 20
B 21
C 12
D 6
Solution
Correct Answer: Option A
এখানে ,⁶C₃ =6!/(3! 3!) =(6.5.4.3 !)/(3.2.1.3!) =2.5.2 =20
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