Mathematics · Average
The average age of A, B, and C is 72 years. However, when D joins them, the average comes down to 70 years. Now, a new person E whose age is 4 years more than D replaces A, and the new average of B, C, D, and E becomes 69 years. What is the age of A?
- 173 years
- 270 years
- 371 years
- 472 years✓
Correct answer
72 years
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