arithmetic MCQs – Page 2

Practise focused arithmetic questions with marked answers for exam preparation and subject revision.

arithmetic Mcqs

21. If a car is sold for Rs..50000 the profit is 17 percent, what would be profit percentage if sold for Rs. 47000?
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A. 14.50%

B. 9.98%

C. 16.20%

D. 14.85%

22. The average of first 10 even numbers is___________?
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A. 9

B. 22

C. 18

D. 11

23. Aftab 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 ?
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A. Rs.18

B. Rs.20

C. Rs.16

D. Rs.22

24. The average age of a group of 10 persons was decreased by 3 years when one person, whose age was 42 years, was replaced by a new person. Find the age of the new person?
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A. 12

B. 24

C. 8

D. 22

25. The average of 20 numbers is zero. Of them, at the most, how many may be greater than zero?
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A. 19

B. 10

C. 1

D. 0

26. The average age of 15 students of a class is 15 years. Out of these, the average age of 5 students is 14 years and that of the other 9 students is 16 years. The age of the 15th student is____________?
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A. 11 years

B. 15 years

C. 15 2/7 years

D. 14 years

27. The average of five results is 46 and that of the first four is 45. The fifth result is__________?
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A. 50

B. 1

C. 12.5

D. 10

28. 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. What is the average of the team?
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A. None of these

B. 24 years

C. 23 years

D. 25 years

29. The average of five numbers is 27. If one number is excluded, the average becomes 25. The excluded number is__________?
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A. 30

B. 27

C. 25

D. 35

30. The average height of 50 pupils in a class is 150 cm. Five of them whose height is 146 cm, leave the class and five others whose average height is 156 cm, join. The new average height of the pupils of the class (in cm) is __________ .
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A. 149

B. 153

C. 152

D. 151

31. Calculate the Average of 1,2,3,4,5.
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A. 2

B. 3

C. 1

D. 4

32. The average age of seven persons sitting in a row facing east is 28 years. If the average age of the first three persons is 21 years and the average age of the last three persons is 34 years, then find the age of the person sitting in the middle of the row?
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A. 31 years

B. 26 years

C. 30 Years

D. 33 years

33. The average of five consecutive odd numbers is 61. What is the difference between the highest and lowest numbers?
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A. 5

B. 8

C. 2

D. Cannot be determined

34. Find the average of all the numbers between 6 and 34 which are divisible by 5.
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A. 24

B. 18

C. 30

D. 20

35. A total of 3000 chocolates were distributed among 120 boys and girls such that each boy received 2 chocolates and each girl received 3 chocolates. Find the respective number of boys and girls?
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A. 40, 80

B. 50, 70

C. 60, 60

D. 70, 50

36. The average height of 35 boys in a class was calculated as 180cm. It has later found that the height of one of the boys in the class was wrongly written as 166 cm whereas his actual height was 106 cm. Find the actual average height of the boys in the class (Round off your answer to two decimal places)?
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A. 178.29 cm

B. 179.29 cm

C. 178.39 cm

D. 179.38 cm

37. The average age of a 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___________?
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A. 30 years

B. None of these

C. 40 years

D. 35 years

38. A library has an average of 510 visitors on Sunday and 240 on other days. The average number of visitors per day in a month of 30 days beginning with a Sunday is___________?
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A. 250

B. 276

C. 285

D. 280

39. The average of 11 results is 50, if the average of first six results is 49 and that of the last six is 52. Find the sixth result?
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A. 57

B. 34

C. 56

D. 46

40. The average marks of a class of 30 students is 40 and that of another class of 50 students is 60. Find the average marks of all the students?
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A. 52.5

B. 50

C. 59

D. 47.5

Showing 21 to 40 of 102 mcqs