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Permutation and CombinationQuestion and Answers: Page 1

Question Number 227151 Answers: 1 Comments: 0

$$ \\ $$$$ \\ $$$$ \\ $$$$ \\ $$$$ \\ $$

Question Number 227102 Answers: 1 Comments: 0

(m/n)

$$ \\ $$$$ \\ $$$$ \\ $$$$ \\ $$$$ \\ $$$$\frac{{m}}{{n}}\: \\ $$$$ \\ $$

Question Number 227098 Answers: 1 Comments: 0

$$ \\ $$$$ \\ $$$$ \\ $$$$ \\ $$$$ \\ $$$$ \\ $$

Question Number 226289 Answers: 0 Comments: 0

Question Number 226044 Answers: 1 Comments: 0

Question Number 224709 Answers: 1 Comments: 0

Question Number 224641 Answers: 1 Comments: 0

Question Number 224634 Answers: 1 Comments: 0

$$\: \\ $$$$ \\ $$$$ \\ $$$$ \\ $$$$ \\ $$

Question Number 224623 Answers: 2 Comments: 2

$$\:\: \\ $$$$ \\ $$$$ \\ $$$$ \\ $$$$ \\ $$

Question Number 224398 Answers: 0 Comments: 5

Question Number 224261 Answers: 0 Comments: 7

If I have 10 people and I want to create pairings, so that every person is matched with every other person at least once, how many unique pairings will there be in total?

Question Number 222192 Answers: 1 Comments: 0

there are 32 students in a class. for each competition in a sport event in the school each class can send a team with three students. if no two students may be in the same team for more than one time, in how many different competitions can this class participate?

$${there}\:{are}\:\mathrm{32}\:{students}\:{in}\:{a}\:{class}.\:{for} \\ $$$${each}\:{competition}\:{in}\:{a}\:{sport}\:{event}\: \\ $$$${in}\:{the}\:{school}\:{each}\:{class}\:{can}\:{send} \\ $$$${a}\:{team}\:{with}\:{three}\:{students}.\:{if}\:{no} \\ $$$${two}\:{students}\:{may}\:{be}\:{in}\:{the}\:{same} \\ $$$${team}\:{for}\:{more}\:{than}\:{one}\:{time},\:{in} \\ $$$${how}\:{many}\:{different}\:{competitions}\: \\ $$$${can}\:{this}\:{class}\:{participate}? \\ $$

Question Number 222105 Answers: 1 Comments: 1