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Mathematics
JAMB
In how many ways can a team of 3 girls be selected from 7 girls?
A.
7!/3!
B.
7!/4!
C.
7!/3!4!
D.
7!/3!4!
Correct Answer:
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Explanation
A team of 2 girls can be selected from 7 girls in
7/sup>C
3
=7!/(7−3)!3! =7!/4!3!ways
A team of 2 girls can be selected from 7 girls in
7/sup>C
3
=7!/(7−3)!3! =7!/4!3!ways
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