A mother is now three times as old as her child and is 42 years old. How old will the child be in 5 years?

Question: A mother is now three times as old as her child and is 42 years old. How old will the child be in 5 years?

1. 20 years
2. 18 years
3. 21 years
4. 19 years

Correct Answer: D — 19 years

Explanation: Divide the mother’s age by 3 for the child’s age now, then add the years.
Child after 5 years = 42 ÷ 3 + 5 = 19 years.