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    Subject

    Quantitative Aptitude

    Topic

    Age

    The sum of the ages of 5 children born at the intervals of 3 years each is 50 years. What is the age of the elder child among 5 children?

    ক)
    21
    খ)
    15
    গ)
    16
    ঘ)
    18

    Explanation

    X+x+3+x+6+x+9+x+12 = 50 5x+30 =50 X = 50-30/5 = 20/5 =4 4+12 = 16

    Related questions

    The average age of a group of 40 students is 37 yrs. If a teacher is included then the average age rises by 1, then find the age of the teacher after 2 years?

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