Average Questions

In the first 43 overs of a cricket match, the run rate was 5 runs/over. Calculate the required run rate in the remaining 7 overs to reach the target of 285 runs?

Refer to the below data table and answer the following question:
Number of employees Annual salary (in lakhs) Bonus as percent of annual salary
Manager: 2 48 50%
Executive: 12 8 30%
Trainee: 14 1 10%
What is the average bonus per employee (in rupees)?

A factory buys 7 machines: 2 of Machine A, 2 of Machine B, and the rest of Machine C. The prices of the machines are $\text{Rs }95000$, $\text{Rs }75000$, and $\text{Rs }43000$ respectively. Calculate the average cost of these machines.

The mean of marks secured by 65 students in division A of class X is 54, 30 students of division B is 50 and that of 55 students of division C is 48. Find the mean of marks of the students of three divisions of Class X.

The following table shows the number of children in each house of a society.
Number of Children Number of Houses
0 7
1 9
2 20
3 3
What is the average number of children per house?

What is the average of the first 10 prime numbers?

The average revenues of 9 consecutive years of a company is Rs 80 lakhs. If the average of the first 5 years is Rs 75 lakhs and that of the last 5 years is Rs 87 lakhs, find the revenue for the 5
th
year.

The average of 10 numbers is 30. If at the time of calculation one number was wrongly taken as 36 instead of 69, then what will be the correct average?