Multiple choice general knowledge math & puzzles

A cricketer has completed 10 innings and his average is 21.5 runs. How many runs he must make in his next inning so as to raise his avg. to 24?

  1. 50

  2. 49

  3. 46

  4. 47

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Total runs after 10 innings = 10 × 21.5 = 215. After 11 innings at average 24, total needed = 11 × 24 = 264. Runs required in 11th inning = 264 - 215 = 49. This tests understanding of how averages change with new data points.