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    Question

    A box has ₹2, ₹1 and 25 paise coins in the ratio 3:5:7.

    If the total value is ₹446.25, how many 25-paise coins are there?
    A 360 Correct Answer Incorrect Answer
    B 275 Correct Answer Incorrect Answer
    C 245 Correct Answer Incorrect Answer
    D 355 Correct Answer Incorrect Answer

    Solution

    ATQ,

    Let the number of ₹2, ₹1 and 25p coins be 3x, 5x and 7x respectively.

    ATQ:

    (3x × 2) + (5x × 1) + (7x × 0.25) = 446.25

    Or, 6x + 5x + 1.75x = 446.25

    Or, 12.75x = 446.25

    Or, 12.75x = 446.25 → x = 35

    So, number of 25-paise coins = 7x = 7 × 35 = 245

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