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The average age of a husband and his wife was 27 years when the child was born, the average age of the husband, the wife and new-born child is 21 years now. The present age of the child is:
5Q:
The average age of a husband and his wife was 27 years when the child was born, the average age of the husband, the wife and new-born child is 21 years now. The present age of the child is:
- 14 yearsfalse
- 23 yearstrue
- 32 yearsfalse
- 41 yearfalse
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