Average : 31.10.2024

The average weight of 18 persons increases by 2.5 kg when a new person comes in place of one of them weighing 72 kg. The weight of the new person is:

The average score of a cricket team (of ten players and one captain) is 32. The scores of ten players are: 22, 11, 5, 34, 21, 32, 0, 28, 9 and 53. What is the score of the captain?

The average weight of students in a class was 58.5 kg. When 8 more students with average weight of 64.5 kg joined the class, then the average weight of all the students increased by 0.96 kg. What was the number of students, initially, in the class?

Raman has a certain average after 9 innings. In the 10th inning he scores 100 runs, thereby increasing his average by 8 runs. His new average is ________.

The average weight of a certain number of children in a group was 31 kg. If 11 children of average weight 32.5 kg joined the group, then the average weight of all the children would increase by 0.25 kg. The number of children initially in the group was:

The average of 48 numbers is 48 . It was found later that observation 48 was wrongly taken as 84 at two places. What is the correct average?

The average of 46 numbers is 50.5. The average of the first 25 numbers is 45 and that of the last 18 numbers is 56. The 28^th number is 67. If the 26^th and 27^th numbers are excluded, then what is the average of the remaining numbers?

The mean of 12 numbers is 25 . If one number is excluded, their mean is 22 . Find the excluded number.

The average of 25 numbers is 64. The averages of the first 13 numbers and that of the last 13 numbers are 62.8 and 72.2, respectively. If the 12^th number is 61, and if the 12^th and 13^th numbers are excluded, then what is the average of the remaining numbers (correct to one decimal place)?

The average of 5 consecutive odd numbers is 33. What is the product of the smallest and the largest of these five numbers?