MHT CET 2023 Mathematics question
Five students are selected from n students such that the ratio of number of ways in which 2 particular students are selected to the number of ways 2 particular students not selected is 2 : 3. Then the value of n is
Answer: (C)
Solution
Ways in which particular students are selected: choose the remaining from , i.e. . Ways in which the particular students are not selected: choose all from the other , i.e. . Given . With :
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