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NTSE Sample Paper NTSE SAT Practice Test-13

  • question_answer
    3 years ago, the average age of the family of 5 members was 17 years. A baby having been born, the average age of the family is the same today. The present age of the baby is

    A) 1 year              

    B)        \[1\frac{1}{2}\]years

    C) 2 years        

    D)        3 years.

    Correct Answer: C

    Solution :

    [c] Age of the new born baby to-day is \[=\left( 6\times 17 \right)-5\left( 17+3 \right)=\left( 102-100 \right)=2\]yrs.   


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