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A committee of five members is to be formed out of 3 Teachers, 4 Assistants and 6 Students. In how many ways can it be done so that the committee either has all 4 Assistants and 1 Student or all 3 Teachers and 2 Assistants?1). 182). 63). 124). 24 |
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Answer» 4 ASSISTANTS and 1 STUDENT can be selected in 4C4 × 6C1 = 6 ways 3 Teachers and 2 Assistants can be selected in 3C3 × 4C2 = 6 ways ∴ Total ways = 6 + 6 = 12 |
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