Important questions about Average. Average MCQ questions with answers. Average exam questions and answers for students and interviews.

1. Ian has 14 boxes of paper and divides them evenly between 4 coworkers. How many whole boxes did each coworker get?

Options

A : 2

B : 2.5

C : 3

D : 3.5

2. There are 100 students in 3 sections A, B and C of a class. The average marks of all the three sections was 84. The average of B and C was 87.5 and the average marks of students in A section was :

Options

A : 20

B : 35

C : 54

D : 40

3. Third proportion of 10 and 20 is

Options

A : 30

B : 40

C : 25

D : 20

4. Navaneet has thrice the money Poonam has and Poonam has 25% more money than Hebah. If the average money of the three is Rs. 350, What is the amount that Navaneet has ?

Options

A : Rs. 175

B : Rs. 220.75

C : Rs. 218.55

D : Rs. 656.25

5. The average marks of a student in 7 subjects is 85. His average marks in 6 subjects except English is 83. What is his marks in English ?

Options

A : 97

B : 98

C : 92

D : 93

6. Find the average of first 50 natural numbers?

Options

A : 25

B : 25.5

C : 26

D : 26.5

7. P, Q, R, S, T and U are six consecutive odd numbers and their average is 52. What is the product of P and U ?

Options

A : 2212

B : 2154

C : 2349

D : 2679

8. The average age of a class is 19 years. While the average age of girls is 18 and that of boys is 21. If the number of girls in the class is 16, Find the number of Boys in the class?

Options

A : 12

B : 10

C : 8

D : 6

9. In a mens hostel, there were 95 students. To accommodate 30 more students the average is decreased by rupees 5. But total expenditure increased by Rs.500. Find the total expenditure of the hostel now ?

Options

A : Rs. 4680

B : Rs. 4420

C : Rs. 4960

D : Rs. 5480

10. The mean of 100 observations is 40. It is found that an observation 84 was misread as 48. Then the correct mean is ?

Options

A : 40.36

B : 41.24

C : 41.92

D : 42.05

1. Without any stoppage, a person travels a certain distance at an average speed of 42 km/h, and with stoppages he covers the same distance at an average speed of 28 km/h. How many minutes per hour does he stop?

Options

A : 15 minutes

B : 20 minutes

C : 18 minutes

D : 22 minutes

2. The average age of 7 boys is increased by 1 year when one of tem whose age is replaced by a girl. What is the age of the girl ?

Options

A : 33 yrs

B : 27 yrs

C : 21 yrs

D : 29 yrs

3. The ratio of speeds of a car, a train and a bus is 5:9:4. The average speed of the car, the bus and the train is 72 km/hr together. What is the average speed of the car and the train together ?

Options

A : 84 km/hr

B : 96 km/hr

C : 72 km/hr

D : 60 km/hr

4. Out of three numbers, the first is twice the second and is half of the third. If the average of the three numbers is 56, what will be the sum of the highest number and the lowest number?

Options

A : 120

B : 160

C : 80

D : 60

5. After replacing an old member by a new member, it was found that the average age of five members of a club is the same as it was 3 years ago. The difference between the ages of the replaced and the new members?

Options

A : 16 years

B : 15 years

C : 14 years

D : 13 years

6. In a mixture of three varities of oils , the ratio of their weight is 4 : 5 : 8. If 5 kg of oils of the first variety, 10 kg of the second variety and some quantity of oils of the third variety are added to the mixture, the ratio of the weights of three varieties of oils becomes as 5 : 7 : 9 in the final mixture, find the quantity of third variety of oil was ?

Options

A : 15 kg

B : 25 kg

C : 35 kg

D : 45 kg

7. What will be the cost of building a fence around a square plot with area equal to 289 sq ft, if the price per foot of building the fence is Rs. 58 ?

Options

A : Rs. 3748

B : Rs. 3847

C : Rs. 3944

D : Rs. 3154

8. It costs Rs. p each to send the first thousand messsages and Rs. q to send each subsequent one . If r is greater than 1,000, how many Rupees will it cost to send r messages ?

Options

A : 1000 (r - p) + pq

B : 1000 p + qr

C : 1000 (r - q) + pr

D : 1000(p - q) + qr

9. Three maths classes: A, B and C take an algebra test. The average score of class A is 83. The average score of class B is 76. The average score of class C is 85. The average score of class A and B is 79 and average score of class B and C is 81. What is the average score of classes A, B, C ?

Options

A : 81

B : 78

C : 80.5

D : 81.5

10. The average of marks in 3 subjects is 224. The first subject marks is twice the second and the second subject marks is twice the third. Find the second subject marks ?