Average Questions

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

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?

Find the mean value of 2, 3, 3, 4, 6, 7

The average of 10 numbers is X and one of the number is 38. If 38 is replaced with 19, then what will be the new average?

The sum of 15 observations of a data is (434 + x). If the mean of the data is x, then the value of x is

The average of marks obtained by 100 candidates in a certain examination is 30. If the average marks of passed candidates is 35 and that of the failed candidates is 10, what is the number of candidates who passed the examination?

The average revenues of 11 consecutive years of a company is Rs 77 lakhs. If the average of first 6 years is Rs 72 lakhs and that of last 6 years is Rs 84 lakhs, What is the revenue for the Sixth year.

The mean of 14 observations is 11. One more observation is included and the new mean becomes 12. The 15th observation is