The average marks of a student in 8 subjects is 87. Of these, the highest marks
The average marks of a student in 8 subjects is 87. Of these, the highest marks are 2 more than the one next in…
The average weight of 3 men A, B, and C is 84 kg. Another man D joins the group
The average weight of 3 men A, B, and C is 84 kg. Another man D joins the group and the average now becomes…
The average of 80 boys in a class is 15. The average age of a group of 15 boys i
The average of 80 boys in a class is 15. The average age of a group of 15 boys in the class is 16…
A team of 8 persons joins in a shooting competition. The best marksman scored 85
A team of 8 persons joins in a shooting competition. The best marksman scored 85 points. If had scored 92 points, the average score…
The average of 6 observations is 45.5. If one new observation is added to the pr
The average of 6 observations is 45.5. If one new observation is added to the previous observations, then the new average becomes 47. The…
A batsman makes a score of 84 runs in the 21 st inning and thus increases his av
A batsman makes a score of 84 runs in the 21 st inning and thus increases his average by 2 runs. His average after…
If the average temperature of first four days of the week was 39°C and the aver
If the average temperature of first four days of the week was 39°C and the average temperature of the week was 40°C, then what…
When 15 is included in a list of natural numbers, their mean is increased by 2.
When 15 is included in a list of natural numbers, their mean is increased by 2. When 1 is included in this new list,…
The average of 50 numbers is 38. If the numbers 45 and 55 are discarded, then th
The average of 50 numbers is 38. If the numbers 45 and 55 are discarded, then the average of the remaining numbers is-
The average temperature of the town in the first four days of month was 58 degre
The average temperature of the town in the first four days of month was 58 degrees. The average for the second, third, fourth and…
Out of three numbers, the first is twice the second and is half of the third. If
Out of three numbers, the first is twice the second and is half of the third. If the average of the three numbers is…
The average of 11 numbers is 10.9. If the average of the first six numbers is 10
The average of 11 numbers is 10.9. If the average of the first six numbers is 10.5 and that of the last six numbers…