The average age of 40 students in a class is 15 years. If 10 more students join then the average will increase to 15.2 years.

Average age of 10 students of a class is 18 years. If one more student join them now , the average becomes 19 years .What is the age of new student ?

The average age of 30 students in a class is 15 years. If 6 students of this class have the average age of 16 years, then the average age of the remaining 24 students would be (a) 14 years (b) 14 years 3 months (c) 14 years 6 months (d) 14 years 9 months

The average age of 10 students in a class is 20 years if a new student is also included then the new average age of all the students increases by 1 year.The age of the new student is:

The average age of 40 students of a class is 16 years. After admission of 10 new students to the class, the average becomes 15 years. If the average age of 5 new students is 11 years then average age (in years) of the remaining 5 new students is

3.The average age of 20 students in a class is 15 years. The average of 16 students is 12.What is the average age of remaining 4 students? A) 34, B) 45, C) 27, D) 26

The average age of 20 students in a class is 15 yr. If the teacher's age is included, the average increases by one. What is the teacher's age?