Multiple choice

Bowling average of Ishant sharma in 19 matches is 18 runs/ wicket . In next match his performance was 24 runs/ 2 wicket then his new bowling average becomes 17.5 runs/wicket. Find the total number of wickets taken by him till now.

  1. 21

  2. 25

  3. 32

  4. 24

  5. None of these
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Let total wickets before = w. Total runs before = 18 × w (since average = 18). In the new match: runs given = 24, wickets taken = 2. New total runs = 18w + 24, new total wickets = w + 2. New average = (18w + 24)/(w + 2) = 17.5. Solve: 18w + 24 = 17.5w + 35, so 0.5w = 11, w = 22. Total wickets now = w + 2 = 24.

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