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    Question

    Marks scored by A and B in a test are in the ratio 12:5

    respectively. If B had scored 5 more marks, then marks scored by A would be 20% more than that of B. Find the difference between actual marks scored by A and B.
    A 14 Correct Answer Incorrect Answer
    B 7 Correct Answer Incorrect Answer
    C 10 Correct Answer Incorrect Answer
    D 15 Correct Answer Incorrect Answer
    E 18 Correct Answer Incorrect Answer

    Solution

    Let actual marks scored by A and B be 12x and 5x respectively. Difference between the marks scored by A and B = 12x тАУ 5x = 7x According to question, => (5x + 5)┬а├Ч┬а1.2 = 12x => 6x + 6 = 12x => 6x = 6 => x = 1 Required difference = 7x = 7

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