A, B, C and D are mutually exclusive and exhaustive events. If 2P(A)=3P(B)=4P(C)=5P(D), then what is 77P(A) equal to?

NDA 2023 Mathematics question

, , and are mutually exclusive and exhaustive events. If , then what is equal to?

Answer: (D)

Let . Then , , , . Since the events are mutually exclusive and exhaustive, their

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Question ID VK-029756