A) 20 years
B) 16 years
C) 12 years
D) 24 years
Correct Answer: A
Solution :
Sum of ages of three students \[=\text{ }3\times 15=45\]years Age of the oldest student \[=\frac{4}{2+3+4}\times 45\] \[=\frac{4}{9}\times 45=20\] yearsYou need to login to perform this action.
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