The average age of husband , wife and their child 3 years ago was 27 years and…
2025
The average age of husband , wife and their child 3 years ago was 27 years and that of wife and the child 5 years ago was 20 years . The present age of the husband is
Answer: B. 40 years — Answer: 40 years Let H, W and C be the present ages of the husband, wife and child respectively. Three years ago the average of the three was 27, so…
- A.
45 years
- B.
40 years
- C.
50 years
- D.
35 years
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Correct answer: B
Answer: 40 years
Let H, W and C be the present ages of the husband, wife and child respectively.
Three years ago the average of the three was 27, so (H−3)+(W−3)+(C−3)=3×27=81. Therefore H+W+C=81+9=90.
Five years ago the average of wife and child was 20, so (W−5)+(C−5)=2×20=40. Therefore W+C=40+10=50.
Husband's present age = (H+W+C) − (W+C) = 90 − 50 = 40 years.