Question 190: The sum of ages of 5 children born at the intervals of 3 years each is 50 years. What is the age of the youngest child?
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Let the ages of children bex, (x+ 3), (x+ 6), (x+ 9) and (x+ 12) years.Then,x+ (x+ 3) + (x+ 6) + (x+ 9) + (x+ 12) = 505x= 20x= 4.Age of the youngest child =x= 4 years.