# Average – Aptitude Questions And Answers

Candidates can see the given below Questions And Answers for the topic of “Average” in Aptitude. We provided the Questions And Answers with a detailed explanation. So do practice these Questions And Answers and are helpful for All Competitive Examinations.

## Average – Aptitude Questions And Answers

1. In an examination, a pupil’s average marks were 63 per paper. If he had obtained 20 more marks for his Geography paper and 2 more marks for his History paper, his average per
paper would have been 65. How many papers were there in the examination?

2. The average of five numbers is 27. If one number is excluded, the average becomes 25. The excluded number is

3. Three years ago, the average age of A and B was 18 years. With C joining them, the average age becomes 22 years. How old is C now?

4. The average age of the mother and her six children is 12 years which is reduced by 5 years if the age of the mother is excluded. How old is the mother?

5. 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?

6. In the first 10 overs of a cricket game, the run rate was only 3.2. What should be the run rate in the remaining 40 overs to reach the target of 282 runs?

7. The average of 20 numbers is zero. Of them, How many of them may be greater than zero, at the most?

8. A grocer has a sale of Rs. 6435, Rs. 6927, Rs. 6855, Rs. 7230 and Rs. 6562 for 5 consecutive months. How much sale must he have in the sixth month so that he gets an
average sale of Rs. 6500?

9. The captain of a cricket team of 11 members is 26 years old and the wicket keeper is 3 years older. If the ages of these two are excluded, the average age of the remaining
players is one year less than the average age of the whole team. Find out the average age of the team.

10. The average of 20 numbers is zero. Of them, at the most, how many may be greater than zero ?

11. A batsman makes a score of 87 runs in the 17th inning and thus increases his average by 3. Find his average after 17th inning?

12. The average monthly income of A and B is Rs. 5050. The average monthly income of B and C is Rs. 6250 and the average monthly income of A and C is Rs. 5200. What is the
monthly income of A?

13. A grocer has a sale of Rs 6435, Rs. 6927, Rs. 6855, Rs. 7230 and Rs. 6562 for 5 consecutive months. How much sale must he have in the sixth month so that he gets an average sale of Rs, 6500?

14. The average weight of 8 persons increases by 2.5 kg when a new person comes in place of one of them weighing 65 kg. What might be the weight of the new person ?

15. In the first 10 overs of a cricket game, the run rate was only 3.2. What should be the run rate in the remaining 40 overs to reach the target of 282 runs?

16. The average of five consecutive odd numbers is 61. What is the difference between the highest and lowest numbers :

17. A family consists of two grandparents, two parents and three grandchildren. The average age of the grandparents is 67 years, that of the parents is 35 years and that of the
grandchildren is 6 years. What is the average age of the family?

18. The average of 20 numbers is zero. Of them, at the most, how many may be greater than zero?

19. A grocer has a sale of Rs. 6435, Rs. 6927, Rs. 6855, Rs. 7230 and Rs. 6562 for 5 consecutive months. How much sale must he have in the sixth month so that he gets an average sale of Rs. 6500?

20. The average weight of 8 person's increases by 2.5 kg when a new person comes in place of one of them weighing 65 kg. What might be the weight of the new person?

21. The average of 11 numbers is 10.9. If the average of first six is 10.5 and that of the last six is 11.4 the sixth number is?

22. The average of first ten prime numbers which are odd is?

23. The average of first 10 natural numbers is?

24. The average of first 10 even numbers is?

25. The average of first 10 odd numbers is?