The average of 50 numbers is 38. If the numbers 45 and 55 are discarded, then the average of the…

The average of 6 observations is 45.5. If one new observation is added to the previous observations, then the new…

The average of 80 boys in a class is 15. The average age of a group of 15 boys in…

The average marks of a student in 8 subjects is 87. Of these, the highest marks are 2 more than…

The batting average for 40 innings of a cricket player is 50 runs. His highest score exceeds his lowest score…

If the average of 5 numbers is 10, the number which should be added to make the average 12 is-…

In the first 10 overs of a cricket game, the run rate was only 3.2. What should be the rate…

The average age of all the students of a class is 18 years. The average age of boys of the…

A student obtained 60, 75 and 85 marks respectively in three monthly examinations in Physics and 95 marks in the…

If the arithmetic mean of seventy-five numbers us calculated, it is 35. If each number is increased by 5, then…