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MHT CET 2025 Mathematics question

MathematicsPermutations and CombinationsMHT CET 2025

4 red balls and 5 green balls are selected from n balls. If the sum of both the selections is greater then then the value of n is equal to

Answer: (A)

Solution

Reading the selections as (4 red balls) and (5 green balls), the condition is . By Pascal's rule , so we need . With :

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Question ID VK-101246