New RBI Grade B 2025 Notification will come Soon! Enroll Here

    Question

    The present ages of Grandmother and Grandfather are in

    6:8 if the ratio of Grandmother age after 8 years and Grandfather age after 4 years becomes 5:7 then find the age of Grandmother before 20 years?
    A 39 Correct Answer Incorrect Answer
    B 51 Correct Answer Incorrect Answer
    C 76 Correct Answer Incorrect Answer
    D 88 Correct Answer Incorrect Answer

    Solution

    By using Cross product method We get present age of Grandmother is 108 20 years before 108-20 = 88-year ans.

    Practice Next

    Relevant for Exams: