A) 56 yr
B) 46 yr
C) 35 yr
D) 45 yr
Correct Answer: B
Solution :
Total age of 30 students and teacher\[=16\times 31=496\,yr.\] \[\therefore \] Age of teacher \[=\text{(}496-450)=46\,yr.\]You need to login to perform this action.
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