The average age of 16 employee in a working for an organization is decreased by 3 months, when an employee aged 17 years replaced by a new employee. Find the age of new employee.
The average age of 10 members of a committee is the same as it was 4 years ago, because an old member has been replaced by a young member.
Find how much younger is the new member?
Kiran rides her scooter 14 km at an average speed of 16 km per hour and again travels 16 km at an average speed of 14 km per hour. What is her average speed for the entire trip approximately?
Average score of a group of a athlete was 42 in certain event. When a new athlete join the group and scores equal to 250% of the average score of the group, then average of a group increases by 30%. How many athletes were there in a group before joining of a new athlete?
The average weight of 19 students was 50 kg. By the admission of a new student the average weight is reduced to 49.6 kg. What is the weight of the new student?
The average age of a group of 15 players is 23 years. If the age of the coach be included, then the average increases by 6 months. Find the age of the coach.
