Problem on Ages - Quantitative Aptitude (MCQ) questions for Q. 20891

Q.  The sum of the ages of 4 children born at the intervals of the 3 years each is 58 years. What is the age of the youngest child?
- Published on 12 Apr 16

a. 4 years
b. 6 years
c. 8 years
d. 10 years

ANSWER: 10 years
 
Let the ages of the children be x, (x + 3), (x + 6) and (x + 9) years.
Then, x + (x + 3) + (x + 6) + (x + 9) = 58
4x = 40
x = 10
Age of youngest child = x = 10 years

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