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Five years ago the average age of A, B, C, D was 45 years. By including X present average of all the five is 49 years. Then the present age of X is

(a) 40 yrs.                                (b) 45 yrs.                           (c) 48 yrs.                   (d) 64 yrs.


Question ID - 50887 | Toppr Answer

Five years ago the average age of A, B, C, D was 45 years. By including X present average of all the five is 49 years. Then the present age of X is

(a) 40 yrs.                                (b) 45 yrs.                           (c) 48 yrs.                   (d) 64 yrs.

1 Answer - 5876 Votes

3537

Answer Key : (b) -

Sum of the present ages of A, B, C and D =  years.

Sum of the present ages of A, B, C, D and X = years.

 X’s present age =  = 45 years.



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