Question: Eight boys and two giris sit on a bench. Determine the number of possible arrangements, given that (a) the girls do not sit together;

Eight boys and two giris sit on a bench. Determine the number

Eight boys and two giris sit on a bench. Determine the number of possible arrangements, given that (a) the girls do not sit together; (b) the girls do not sit on either end3; (c) the girls do not sit on either end and do not sit together.

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