The average age of group of 20 girls is 15 years and that of another group of 25 boys it is 24 years. The average age o…

The average of runs scored by a cricketer in his 99 innings is 99. How many runs will he have to score to his 100th inni…

The average of 25 results is 18. The average of first 12 of those is 14 and the average of last 12 is 17. What is the 13…

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…

The average of the first 100 positive integers is-

The average age of 40 students of a class is 15 years. When 10 new students are admitted, the average is increased by 0.…

A family consists of grandparents, parents and three grandchildren. The average age of the grandparents is 67 years that…

Ajit has a certain average for 9 innings. In the tenth innings, he scores 100 runs thereby increasing his average by 8 r…