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earnstyle [38]
3 years ago
6

A group consists of fourfour men and eighteight women. threethree people are selected to attend a conference.

Mathematics
1 answer:
tensa zangetsu [6.8K]3 years ago
8 0
Take the combination of 1 man and 2 women
 =4 * 8C2 = 4*28 = 112 ways
The case of all men
= 4C3 = 4
The case of all women
= 8C3 = 56
The case of 2 men and 1 woman:-
= 8 * 4C2 =  8* 6 = 48

Total number of ways = 112 + 4 + 56 + 48 =  220 answer

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2 years ago
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