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    Question

    The current average age of three friends, Aravi, Bipasa,

    and Chinu, is 24 years. The ratio of Chinu's and Diksha's present ages is 4:5, and Bipasa's current age is 45% less than Diksha's. To determine Diksha's present age, we're given that Chinu's age 4 years from now will be twice Aravi's current age.
    A 25 Correct Answer Incorrect Answer
    B 45 Correct Answer Incorrect Answer
    C 40 Correct Answer Incorrect Answer
    D 22 Correct Answer Incorrect Answer
    E 18 Correct Answer Incorrect Answer

    Solution

    ATQ, Let the present age тАШChinuтАЩ and тАШDikshaтАЩ be тАШ4cтАЩ years and тАШ5cтАЩ years, respectively. So, present age of тАШBipasaтАЩ = 5c ├Ч 0.55 = тАШ2.75cтАЩ years Present age of тАШAraviтАЩ = (4c + 4)/2 = (2c + 2) years According to question: 2c + 2 + 2.75c + 4c = 24 ├Ч 3 Or, 8.75c = 70 c = 8 Present age of Diksha = 5 ├Ч 8 = 40 years

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