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    Question

    The ratio of the ages of a teacher and a student is 5:2,

    respectively. If the difference between their ages is 18 years, then find the age of the student.
    A 16 yrs Correct Answer Incorrect Answer
    B 12 yrs Correct Answer Incorrect Answer
    C 18 yrs Correct Answer Incorrect Answer
    D 27 yrs Correct Answer Incorrect Answer

    Solution

    ATQ,

    Let the ages of the teacher and student be '5x' years and '2x' years, respectively.

    ATQ:

    '5x' - '2x' = 18

    Or, 3x = 18

    Or, 'x' = 6

    Therefore, the age of the student = 2x = 2 × 6 = 12 years

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