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    Question

    There are three 50 paise coins, nine Rs. 1 coins, and

    fifteen Rs. 2 coins in a container. One coin was lost. Find the probability that it is not a 50 paise coin.
    A 2/3 Correct Answer Incorrect Answer
    B 5/6 Correct Answer Incorrect Answer
    C 8/9 Correct Answer Incorrect Answer
    D 7/8 Correct Answer Incorrect Answer

    Solution

    Number of 50 paise coins = 3
    Total number of coins = 3 + 9 + 15 = 27
    So, the required probability = 1 - 3/27 = 24/27 = 8/9

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