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Five years ago the average age of A ,...

Five years ago the average age of `A ,\ B ,\ C ,\ D` was 45 years. By including X the present average of all the five is 49 years. Then the present age of X is (a) 40 years (b) 45 years (c) 48 years (d) 64 years

Answer

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Knowledge Check

  • The average age of A,B,C,D five years ago was 45 years by including X the present average age of all the five is 49 years the present age of X is

    A
    64 years
    B
    48 years
    C
    45 years
    D
    40 years

  • 5 years ago, the average age of A, B, C and D was 45 years. With E joining them now, the average age of all the five is 49 years. How old is E ?

    A
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    B
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    C
    45 years
    D
    64 years

  • The average age of four boys, five years ago was 9 years. On including a new boy, the present average age of all the five is 15 years. The present age of the new boy is

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    14 years
    B
    6 years
    C
    15 years
    D
    19 years

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