There are 5 questions in group A, 5 in group B and 3 in C. In how many ways can you select 6 questions taking 3 from group A, 2 from B, and 1 from group C. Plz,plz answer. Chp:- combination.
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nishajoshi1298:
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Total possible combinations that can be made from all 3 groups are 23
1) Number of questions in Group A is 5
Questions to be selected is 3.
Total possible combinations are ⁵C₃ = 10.
2) Number of questions in Group B is 5
Questions to be selected is 2.
Total possible combinations are ⁵C₂ = 10.
3) Number of questions in Group C is 3
Questions to be selected is 1.
Total possible combinations are ³C₁ = 3
4) Total possible combinations that can be made from all 3 groups are 10
+10+3 = 23
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