हिंदी

To fill 12 vacancies there are 25 candidates of which 5 are from scheduled castes. If 3 of the vacancies are reserved for scheduled caste candidates while the rest are open to all, the number of w

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प्रश्न

To fill 12 vacancies there are 25 candidates of which 5 are from scheduled castes. If 3 of the vacancies 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 5C3 × 20C9.

विकल्प

  • True

  • False

MCQ
सत्य या असत्य
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उत्तर

This statement is False.

Explanation:

Number of ways to select 3 scheduled caste candidate out of 5 = 5C3

We have to select 9 other candidates out of 22.

So the number of ways = 22C9

Required number of selection = 5C3 × 22C9

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अध्याय 7: Permutations and Combinations - Exercise [पृष्ठ १२७]

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एनसीईआरटी एक्झांप्लर Mathematics Exemplar [English] Class 11
अध्याय 7 Permutations and Combinations
Exercise | Q 59 | पृष्ठ १२७

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