In a cricket match the average number of runs in the first 15 overs was two.
After a further 15 overs, the average rose to nine.
What was the average number of runs in the last 15 overs only?
At the eating contest the winner ate an average of 15 ladoos at the first 20 sittings. After a further 20 sittings the average increased to 20 ladoos. What was the average for the last 20 sittings?
In a cricket match the average number of runs per over in the first 20 overs was three.
After a further 30 overs the average number of runs rose to seven.
What was the average number of runs in the last 30 overs only?
In a cricket match, the average runs for the first 25 overs was four.
After a further 50 overs, the average runs rose to eight.
What was the average number of runs for the last 50 overs only?
Raina makes a score of 110 runs in 22nd inning of his career and thus increases his average by 4. Find his average after 22nd inning.
