Free Practice Question
PS · Problem Solving
705-805
Combinations
A singing choir of 4 children is to be formed. The selection pool consists of 8 siblings pairs. In how many ways can a choir be formed if both siblings cannot be selected together?
Answer Choices
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360
B
720
C
1120
D
2400
E
26880
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Explanation
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Difficulty
705-805
Type
PS
Category