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A bag contains 5 black and 4 white balls. A man selects two balls at random. What is the probability that both of these are of the same colour?
NDA I 2024
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5/108
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5/18
If the letters of the word "TIRUPATI" are written down at random, then what is the probability that both Ts are always consecutive ?
NDA I 2024
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1/14
Three different numbers are selected at random from the first 15 natural numbers. What is the probability that the product of two of the numbers is equal to third number?
