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To fill 12 vacancies there are 25 candid...

To fill 12 vacancies there are 25 candidates of which 5 are from scheduled castes. If 3 of the vacanies are reserved for scheduled caste candidates while the rest are open to all, the number of ways in which the selection can be made is `""^5C_3 xx ""^22C_9.`

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`=""^5C_3 xx ""^22C_9.`
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