The average age of 36 students in a group is 14 years. When teacher's age is included to it, the average increases by one. What is the teacher's age in years ?
A. 54 years
B. 51 years
C. 35 years
D. 45 years
Answer:B
The average age of 36 students in a group is 14 years. When teacher's age is included to it, the average increases by one. What is the teacher's age in years ?
A. 54 years B. 51 years C. 35 years D. 45 years