The average age of a cricket team of 11 players is the same as it was 3 years back because 3 of the players whose curren…

Five years ago, the average age of A, B, C and D was 45 yr. with E joining them now, the average of all the five is 49 y…

The mean of 25 observations was found to be 78.4. But later on it was found that 96 were misread as 69. The correct mean…

A library has an average of 510 visitors on Sundays and 240 on other days. What is the average number of visitors per da…

The average age of 40 students of class is 18 years. When 20 new students are admitted to the same class, the average ag…

The average of the reciprocals of x and y is-

The average age of four brothers is 12 years. If the age of their mother is also included, the average is increased by 5…

Company C sells a line of 25 products with an average retail price of Rs. 1200. If none of these products sells for less…