Question
Average of 8 numbers is 15. When one number is removed, the average becomes 14. Find the removed number.
Solution
ATQ, Sum of 8 numbers = 120 Sum of remaining 7 = 98 Removed = 22
More Average Questions
- There are 25 students in a class with an average age of 20 years. 5 more students join the class, reducing the average to 18 years. Find the average age of...
- Average weight of a group of ‘x’ people increased by 1.5 kg, when a person weighing 56 kg joined the group while the average weight increased by 2 kg when ...
- Average age of company A is 28 years and average age of both companies A and B is 20 years. If the ratio of number of employees in company A and B is 3:8, ...
- The average of three numbers P, Q and R is 1600. R is 75% more than P. The ratio of P and Q is 4:5 respectively. If R is 25% less than S, then find out the...
- The average of a group of observations is 34.4. If every observation is scaled by a factor of 2.5, what will the resulting average become?
- In a company, the average salary of 30 employees is ₹40,000. Out of these, the average salary of 20 employees is ₹35,000, and the average salary of 5 other...
- The average cost price of 13 pens (having equal cost price) decreased by Rs.3, when one of the pen is replaced by a new pen having cost price of Rs.60. Fin...
- In a class of ‘x’ students, if a new student weighing 32 kg joins the class, then the average weight of the class increases by 1 kg. If the new...
- In 25 matches, Nick had a bowling average of 10.4. After playing 2 more matches, where he took 2 wickets giving 52 runs, his average went up by 0.6. Determ...
- The average age of 22 children and their teacher's age are 20 years. If the teacher's age is excluded, the average reduces by 1. What is the teacher's age?