The average age of 90 students in a class is 21 years. The average age of 30 of them is 23 years and the average age of another 30 students is 25 years. What is the average age of the remaining students?
Subject: Mathematics | Topic: Arithmetic | Difficulty: MEDIUM
Options
- (A) 14 years
- (B) 17 years
- (C) 15 years
- (D) 18 years
Verified Answer
Option (C): 15 years
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