Average age of 21 men reduces by 1 year when a man of 32 years is replaced by a child. What is the age of that child?5
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Q: Average age of 21 men reduces by 1 year when a man of 32 years is replaced by a child. What is the age of that child?
- 110 yearsfalse
- 211 yearstrue
- 39 yearsfalse
- 48 yearsfalse
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