Ayushi Asked a Question
August 26, 2020 12:11 ampts 30 pts
There are six doors in a room. Four boys have to come. In how many ways they can come in the room from difterent doors. 98. (1 10 (2 60 13) 24 (4) 360
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  • Nidhi taparia thankyou
    The correct answer is (4) 360. Think about it this way. We have 6 doors and we have to pick 4 out of them, and the order of arrangement matters here. So we calculate the permutati...
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