If a, b, c, d, e are five consecutive odd numbers, their average is :

A batsman makes a score of 270 runs in the 87<sup>th</sup> inning and thus increase his average by a certain…

The mean monthly salary paid to 75 workers in a factory is Rs. 5680. The mean salary of 25 of them is Rs. 5400 and that …

The average of the squares of first ten natural numbers is-

The average age of husband, wife and their child 3 years ago was 27 years and that of wife and the child 5 years ago was…

The average sale of car dealership was 15 cars per week. After a promotional scheme the average sale increased to 21 car…

The average of n numbers x<sub>1</sub>, x<sub>2</sub>.....x<sub>n</sub> is $$\overli…

The average age of 11 players of a cricket team decreases by 2 months when two new players are included in the team repl…