A batsman makes a score of 87 runs in the 17th inning and thus increases his average by 3. find his average after 17th inning.
Sol. Let the average after 17th inning = x.
Then, average after 16th inning = (x - 3)
∴ 16(x - 3) + 87 = 17x or x = (87 - 48) = 39
No comments:
Post a Comment