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    Question

    A jar contains six 50 paise coins, six Rs. 1 coins, and

    twelve Rs. 10 coins. One coin is lost. Find the probability that the lost coin is not a 50 paise coin.
    A 2/3 Correct Answer Incorrect Answer
    B 3/4 Correct Answer Incorrect Answer
    C 5/6 Correct Answer Incorrect Answer
    D 1/2 Correct Answer Incorrect Answer

    Solution

    Number of 50 paise coins = 6
    Total number of coins = 6 + 6 + 12 = 24
    So, the required probability = 1 - 6/24 = 18/24 = 3/4

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