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Question Number 217402 by mr W last updated on 12/Mar/25

Answered by vnm last updated on 13/Mar/25

$$C_5^2\cdot 4!\cdot 4=10\cdot 24\cdot 4=960$$

Commented by mr W last updated on 14/Mar/25

$$theboxesareidentical.4!isnot$$$$needed.$$

Answered by mr W last updated on 13/Mar/25

$$C_2^5\times 4=40$$

Answered by mehdee7396 last updated on 13/Mar/25

$$\left(i\right)3/1/1/1or\left(ii\right)2/2/1/1$$$$pab/c/d/eorpa/bc/d/e$$$$\left(\begin{array}{c}5\\ 2\end{array}\right)\times 4!+\left(\begin{array}{c}5\\ 1\end{array}\right)\times \left(\begin{array}{c}4\\ 2\end{array}\right)\times 4!$$$$$$

Commented by mr W last updated on 14/Mar/25

$$theboxesareidentical.4!isnot$$$$needed.$$

Commented by mr W last updated on 13/Mar/25

$$thankstoyouboth,sirs!$$

Commented by mehdee7396 last updated on 14/Mar/25

$$Thankyouforyourreminder$$$$\underbrace{⋚}$$

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