Average 1

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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