Find the number of ways in which 12 students may be equally divided into three groups.

3355

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5775

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7755

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8822

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Solution

The correct option is B 5775
The required number of ways in which 12 students may be equally divided into three groups.
$= \frac{12!}{3! \times (4!)^{3}} = 5775$

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Find the number of ways in which 12 students may be equally divided into three groups.

The correct option is B 5775The required number of ways in which 12 students may be equally divided into three groups. =12!3!×(4!)3=5775

The correct option is B 5775
The required number of ways in which 12 students may be equally divided into three groups.
$= \frac{12!}{3! \times (4!)^{3}} = 5775$