There are four chairs with two chairs in each row. In how many ways can four persons be seated on the chairs, so that no chair remains unoccupiedA. 6B. 12C. 24D. 48

There are four chairs with two chairs in each row. In how many ways ca

1.	There are four chairs with two chairs in each row. In how many ways can four persons be seated on the chairs, so that no chair remains unoccupiedA. 6B. 12C. 24D. 48
Answer» Correct Answer - C First chair can be occupied in 4 ways and second chair can be occupied in 3 ways, third chair can be occupied in 2 ways and last chair can be occupied in one ways only. So total number of ways `= 4 xx 3 xx 2 xx 1 = 24`

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There are four chairs with two chairs in each row. In how many ways can four persons be seated on the chairs, so that no chair remains unoccupiedA. 6B. 12C. 24D. 48

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