The average age of 32 students in a group is 14 years.
The average age of 32 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?
Answer/Solution
47
Steps/Work
Sol.
Age of the teacher = ( 33 × 15 – 32 × 14 ) years = 47 years.
Answer C
Age of the teacher = ( 33 × 15 – 32 × 14 ) years = 47 years.
Answer C