Aptitude Preparation: Mock Test, IT Campus Placement, Aptitude Questions and Answers

Subject: Average 1

**Part 1: List for questions and answers of Average**

**Q1. Average of all prime numbers between 30 to 50**

a) 37

b) 37.8

c) 39

d) 39.8

**Q2. Reeya obtained 65, 67, 76, 82 and 85 out of 100 in different subjects, What will be the average**

a) 70

b) 75

c) 80

d) 85

**Q3. Find the sum of first 30 natural numbers**

a) 470

b) 468

c) 465

d) 463

**Q4. Find the average of first 10 multiples of 7**

a) 35.5

b) 37.5

c) 38.5

d) 40.5

**Q5. The average of four consecutive odd numbers is 24. Find the largest number**

a) 25

b) 27

c) 29

d) 31

**Q6. Average of 10 numbers is zero. At most how many numbers may be greater than zero**

a) 0

b) 1

c) 5

d) 9

**Q7. Find the average of all numbers between 6 and 34 which are divisible by 5**

a) 15

b) 20

c) 25

d) 30

**Q8. Average of first five multiples of 3 is**

a) 9

b) 11

c) 13

d) 15

**Q9. Average age of boys in a class is 16 years and average age of girls is 15 years, what is the average age of all**

a) 15.5

b) 15

c) 16

d) Cant be computed

**Q10. batsman makes a score of 87 runs in the 17th match and thus increases his average by 3. Find his average after 17th match**

a) 36

b) 37

c) 38

d) 39

**Q11. Average of five numbers is 27. If one number is excluded the average becomes 25. The ****excluded number is**

a) 35

b) 45

c) 55

d) 65

**Q12. The average score of a cricketer for ten matches is 38.9 runs. If the average for first six matches is 42, then average for last four matches is**

a) 33.25

b) 32.25

c) 34.25

d) 34.50

**Q13. Average of 10 matches is 32, How many runs one should should score to increase his average by 4 runs**

a) 70

b) 76

c) 78

d) 80

**Q14. 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) 54.48

b) 54.68

c) 54.60

d) 54.58

**Q15. The average of six numbers is X and the average of three of these is Y.If the average of the remaining three is z, then**

a) x = y + z

b) 2x = y + z

c) x = 2y + z

d) x = y + 2z

**Q16. 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**

a) 40

b) 41

c) 42

d) 43

**Q17. 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) 6.25

b) 6.5

c) 6.75

d) 7

**Q18. 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.4991

b) Rs.5991

c) Rs.6001

d) Rs.6991

**Q19. The average of 20 numbers is zero. Of them, at the most, how many may be greater than zero?**

a) 0

b) 1

c) 10

d) 19

**Q20. 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) 35 years

b) 40 years

c) 50 years

d) None of these

**Part 1: List for questions and answers of Average**

Q1. Answer: d

Q2. Answer: b

Q3. Answer: c

Q4. Answer: c

Q5. Answer: b

Q6. Answer: d

Q7. Answer: b

Q8. Answer: a

Q9. Answer: d

Q10. Answer: d

Q11. Answer: a

Q12. Answer: c

Q13. Answer: b

Q14. Answer: b

Q15. Answer: b

Q16. Answer: c

Q17. Answer: a

Q18. Answer: a

Q19. Answer: d

Q20. Answer: b