Average Questions

What is the average of all numbers between 8 and 74 which are divisible by 7?

After 10 innings the average score per innings of a batsman was 52. After 12 innings the average rose to 54. If the batsman had scored 16 more runs in the 12th innings than in the previous one, how many runs did he score in the 11th innings?

The median of the numbers 14, 12, 12, 16, 13 and 18 is

The mean of the 5 smallest numbers from a group is 15 while the mean of all the 13 members of the group taken together is 17. What is the mean of the 8 largest numbers?

For the data given below. find the sum of mode. median and mean.6, 3, 8, 4, 3, 11, 7, 4, 5, 4.

The mean of marks secured by 30 students in division-A of class X is 67, 55 students of division-B is 63 and that of 40 students of division-C is 61. What is the mean of marks of the students of three divisions of Class X?

Find the median, mode and mean of 9, 5, 8, 9, 9, 7, 8, 9, 8.

The mean of 10 observations is 17. One more observation is included and the new mean becomes 16. The 11th observation is