Averages · Question 10 · Medium
Averages question 10
Three years ago, the average age of a husband, his wife and their child was 27 years. Five years ago, the average age of the wife and the child was 20 years. What is the husband's present age?
- 35 years
- 40 years
- 38 years
- 42 years
Answer and explanation
Answer: B. 40 years
Explanation: Present total of all three = 3 × 27 + 9 = 90. Present total of wife and child = 2 × 20 + 10 = 50. Husband = 90 − 50 = 40 years.
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