The average age of three boys is 15 years. If their ages are in the ratio 3 :…
PYQ UPPSC LT Grade (Assistant Teacher) 2025
The average age of three boys is 15 years. If their ages are in the ratio 3 : 5 : 7, then the age of the youngest boy is :
- A.
21 years
- B.
5 years
- C.
18 years
- D.
9 years
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