Average Questions

A batsman makes 100 runs in the 25th match of his career. His average runs per match increases by 1.4. Find his average before the 25th match.

What is the average of first 19 odd numbers?

What is the average of first 39 even numbers ?

What is the average of first 7 multiples of 7?

Nine students of a class contribute a certain sum of money. Seven of them gave Rs. 50 each and the other two gave respectively Rs. 50 and Rs. 90 more than the others. The average contribution of the class of 9 students is

Average of 11 numbers is 7. If every number is doubled, then what will be the new average of the numbers?

What is the average of first 93 natural numbers?

In the first 39 overs of a cricket match, the run rate was 4.6 runs/over. Calculate the required run rate in the remaining 11 overs to reach the target of 252 runs?