The sum of the ages of 3 children born at intervals of 5 years each is 36 years. The age of the youngest child is ______ in years.
- 7
- 8
- 9
- None of these
Explanation
Let youngest child's age = x
Other ages = x+5, x+10
Sum of ages = x + (x+5) + (x+10) = 36
3x + 15 = 36
3x = 21
x = 7
Last verified on 19-03-2026
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