We have listed below the Best Average Problems Aptitude MCQ Questions for your basic knowledge of Average Problems Aptitude Quiz. This Average Problems Aptitude Test contains 20 multiple Choice Questions. You have to select the right answer to every question.

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

A. 19

B.10

D.1

2) Find the average of the series : 312, 162, 132, 142 and 122?

A. 162

B.174

C.186

D.198

3) The average of 9 observations was 9, that of the 1st of 5 being 10 and that of the last 5 being 8. What was the 5th observation?

A. 9

B.10

C.7

D.4

4) 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?

A. 5.75

B.6.25

C.6.75

D.7.25

5) The average of 10 numbers is 23. If each number is increased by 4, what will the new average be?

A. 23

B.27

C.28

D.29

6) The average of the first 10 natural numbers is?

A. 5

B.4.5

C.4

D.5.5

7) 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?

A. Rs. 5991

B.Rs. 4991

C.Rs. 6991

D.Rs. 6001

8) The average age of husband, wife and their child 3 years ago was 27 years and that of wife and the child 5 years ago was 20 years. The present age of the husband is:

A. 40 years

B.45 years

C.30 years

D.35 years

9) A car owner buys petrol at Rs.7.50, Rs. 8 and Rs. 8.50 per litre for three successive years. What approximately is the average cost per litre of petrol if he spends Rs. 4000/- each year?

A. Rs. 7.98

B.Rs. 8

C.Rs. 8.50

D.Rs. 9

10) The average weight of A, B and C is 45 kg. If the average weight of A and B be 40 kg and that of B and C be 43 kg, then the weight of B is:

A. 17 kg

B.20 kg

C.26 kg

D.31 kg

11) A library has an average of 510 visitors on Sundays and 240 on other days. The average number of visitors per day in a month of 30 days beginning with a Sunday is:

A. 285

B.276

C.246

D.250

12) If the average marks of three batches of 55, 60 and 45 students respectively is 50, 55, 60, then the average marks of all the students is:

A. 53.33

B.54.68

C.55

D.None of these

13) A pupil's marks were wrongly entered as 83 instead of 63. Due to that the average marks for the class got increased by half (1/2). The number of pupils in the class is:

A. 10

B.20

C.40

D.73

14) 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?

A. 11.0

B.11.3

C.11.4

D.11.5

15) The average of first ten prime numbers which are odd is?

A. 15.8

B.13.8

C.12.9

D.11

16) Three years ago the average age of a family of six members was 19 years. A boy have been born, the average age of the family is the same today. What is the age of the boy?

A. 1.5 years

B.1 year

C.2.5 years

D.2 years

17) In an exam, Amar scored 64 percent, Bhavan scored 36 percent and Chetan 44 percent. The maximum score awarded in the exam is 800. Find the average mark scored by all the three boys?

A. 324

B.364

C.384

D.404

18) Rahim bought 65 books for Rs.1150 from one shop and 50 books for Rs.920 from another. What is the average price he paid per book ?

A. Rs.20

B.Rs.16

C.Rs.22

D.None of these

19) Average age of 7 family members is 75 years. But average age of 6 of them is 74 years 6 months. What is the age of the 7th family member?

A. 75.5

B.78

C.68

D.80

20) The average of fifty numbers is 28. If two numbers, namely 25 and 35 are discarded, the average of the remaining numbers is nearly,