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    Question

    A bag contains certain number of coins of different

    denominations. The ratio of the number of Rs. 1 coins to Rs. 2 coins is 3 : 2, respectively and the ratio of number of Rs. 2 coins to Rs. 5 coins is 2 : 9 respectively. Find the total value of the Rs. 5 coins, if the total value of the Rs. 1 coins in the bag is Rs. 39.
    A Rs. 455 Correct Answer Incorrect Answer
    B Rs. 520 Correct Answer Incorrect Answer
    C Rs. 565 Correct Answer Incorrect Answer
    D Rs. 585 Correct Answer Incorrect Answer
    E Rs. 605 Correct Answer Incorrect Answer

    Solution

    Ratio of the number of coins of denominations Rs. 1 : Rs. 2 : Rs. 5 = 3 : 2 : 9
    Let, the number of coins of Rs. 1, Rs. 2 and Rs. 5 in the bag be 3x, 2x and 9x.
    Since, the total value of Rs. 1 coins in the bag is Rs. 39
    So, the number of coins of Rs. 1 in a bag = 39
    3x = 39, x = 13
    Therefore, number of Rs. 5 coins in the bag 9x = 117
    So, required value of Rs. 5 coins = 9 ├Ч 13 ├Ч 5 = Rs. 585┬а

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