Average age of 3 men is 25. If their ages are in ratio 3:5:7, find the age of the youngest.
A10
B15
C20
D25
Explanation
Total age = 75. Ratio = 3x+5x+7x = 15x. 15x = 75 => x=5. Youngest = 3*5 = 15.
Exam Relevance
- Topic: Averages
- Subtopic: Age Problems
No Comments