Average MCQs
Average MCQs
These Average multiple-choice questions and their answers will help you strengthen your grip on the subject of Average. You can prepare for an upcoming exam or job interview with these 40 Average MCQs.
So scroll down and start answering.
1: The average temperature on Wednesday, Thursday and Friday was 20o. The average temperature on Thursday, Friday and Saturday was 24o. If the temperature on Saturday was 27o, what was the temperature on Wednesday?
A. 24o
B. 30o
C. 21o
D. 27o
2: A has 50 coins of 10 paise denominations. While B has 10 coins of 50 paise denominations. C has 20 coins of 25 paise denominations while D has 25 coins of 20 paise denominations. The average number of paise per person is :
A. 500 paise
B. 450 paise
C. 550 paise
D. 650 paise
3: In a boat there are 8 men whose average weight is increased by 1 kg when 1 man of 60 kg is replaced by a new man. What is weight of new comer?
A. 66
B. 68
C. 70
D. 69
4: The mean weight of 100 students in a class is 46 kg. The mean weight of boys is 50 and of girls is 40 kg. Therefore, the number of boys is:
A. 70
B. 60
C. 50
D. 65
5: The average age of A, B, C, D and E is 40 years. The average age of A and B is 35 years and the average of C and D is 42 years. Age of E is :
A. 42
B. 46
C. 48
D. 45
6: Find the average of first 97 natural numbers.
A. 47
B. 49
C. 48
D. 37
7: The average score of a cricketer for ten matches is 38.9 runs. If the average for the first six matches is 42, then find the average for the last four matches.
A. 35
B. 34.25
C. 33.25
D. 33.5
8: Students of three different classes appeared in common examination. Pass average of 10 students of first class was 70%, pass average of 15 students of second class was 60% and pass average of 25 students of third class was 80% then what will be the pass average of all students of three classes?
A. 69%
B. 75%
C. 74%
D. 72%
9: A train covers the first 16 km at a speed of 20 km per hour another 20 km at 40 km per hour and the last 10 km at 15 km per hour. Find the average speed for the entire journey.
A. 24 km
B. 26 km
C. 23(23/59) km
D. 21 km
10: Average cost of 5 apples and 4 mangoes is Rs. 36. The average cost of 7 apples and 8 mangoes is Rs. 48. Find the total cost of 24 apples and 24 mangoes.
A. 720
B. 2088
C. 3240
D. 1044
11: The speed of the train going from Nagpur to Allahabad is 100 km/h while when coming back from Allahabad to Nagpur, its speed is 150 km/h. find the average speed during whole journey.
A. 125 km/hr
B. 120 km/hr
C. 135 km/hr
D. 75 km/hr
12: The average age of three boys is 15 years. If their ages are in ratio 3:5:7, the age of the youngest boy is:
A. 9 years
B. 15 years
C. 12 years
D. 21 years
13: 3 years ago the average of a family of 5 members was 17 years. A baby having been born, the average age of the family is the same today. The present age of the baby is:
A. 3/2 years
B. 2 years
C. 3 years
D. 1 years
14: Of the three numbers, the first is twice the second and the second is twice the third. The average of the reciprocal of the numbers is 7/72. The numbers are:
A. 36, 18, 9
B. 24, 12, 6
C. 16, 8, 4
D. 20, 10, 5
15: Average of 80 numbers are 42. When 5 more numbers are included, the average of 85 numbers become 45. Find the average of 5 numbers.
A. 98
B. 93
C. 82
D. 89
16: A man travels equal distances of his journey at 40, 30 and 15 km/h. respectively. Find his average for whole journey.
A. 24
B. 28
C. 25
D. 27
17: In a set of three numbers, the average of first two numbers is 2, the average of the last two numbers is 3, and the average of the first and the last numbers is 4. What is the average of three numbers?
A. 2
B. 7
C. 1
D. 3
18: The average of runs of a cricket player of 10 innings was 32. How many runes must be made in his next innings so as to increase his average of runs by 4?
A. 70
B. 76
C. 74
D. 72
19: The average monthly salary of 12 workers and 3 managers in a factory was Rs. 600. When one of the manager whose salary was Rs. 720, was replaced with a new manager, then the average salary of the team went down to 580. What is the salary of the new manager?
A. 570
B. 640
C. 420
D. 690
20: When a student weighing 45 kgs left a class, the average weight of the remaining 59 students increased by 200g. What is the average weight of the remaining 59 students
A. 55
B. 56
C. 57
D. 58
21: The average weight of a class of 24 students is 35 kg. If the weight of the teacher be included, the average rises by 400 g. The weight of the teacher is
A. 45
B. 50
C. 55
D. 60
22: 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
23: A motorist travel to a place 150 km away at an avearge speed of 50 km/hr and returns ar 30 km/hr.His average speed for the whole jouney in km/hr is
A. 36.5 km/hr
B. 37.5 km/hr
C. 35.5 km/hr
D. 34.5 km/hr
24: 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
25: 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
B. 35
C. 45
D. 55
26: 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
27: 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
28: 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
29: 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
30: Average weight of 10 people increased by 1.5 kg when one person of 45 kg is replaced by a new man. Then weight of the new man is
A. 50
B. 55
C. 60
D. 65
31: A 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
32: A library has an average of 510 visitors on Sundays and 240 on other day. The average number of visitors in a month of 30 days starting with sunday is
A. 280
B. 285
C. 290
D. 295
33: 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
34: Average of first five multiples of 3 is
A. 9
B. 11
C. 13
D. 15
35: Average of all prime numbers between 30 to 50
A. 37
B. 37.8
C. 39
D. 39.8
36: 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
37: Find the sum of first 30 natural numbers
A. 470
B. 468
C. 465
D. 463
38: Find the average of first 10 multiples of 7
A. 35.5
B. 37.5
C. 38.5
D. 40.5
39: The average of four consecutive odd numbers is 24. Find the largest number.
A. 25
B. 27
C. 29
D. 31
40: Average of 10 numbers is zero. At most how many numbers may be greater than zero
A. Zero
B. One
C. Five
D. Nine
41: Find the average of all numbers between 6 and 34 which are divisible by 5
A. 15
B. 20
C. 25
D. 30
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