Mathematics
Medium
Question
The average age of 15 students of a class is 15 years. Out of these, the average age of 5 students is 14 years and that of the other 9 students is 16 years. The age of the 15th student is____________?
A
11 years
✓ Official correct answer
B
14 years
C
15 years
D
15 2/7 years
Community credibility
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A
11 years
No member explanations yet for this option.
B
14 years
No member explanations yet for this option.
C
15 years
No member explanations yet for this option.
D
15 2/7 years
No member explanations yet for this option.