Raina makes a score of 110 runs in 22nd inning of his career and thus increases his average by 4. Fi

M4maths Previous Puzzles

11 Mar 2021 AVERAGE

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.

OPtion

1) 26
2) 39
3) 34
4) 28
5) 22
6) 44
7) 25
8) 21
9) 31
10) None of the above

Solution

Let the average after 22nd inning = x
Then, average after 21st inning = (x-4)
21 ( x – 4) + 110 = 22x
21x – 84 + 110 = 22x
X = 26

Correct Option: 1 Best Solution (2)