Total 330 runs are scored in an inning and 80% of the runs are scored by top 4 batsman only Total 330 runs are scored in an inning and 80% of the runs are scored by top 4 batsman only Total 330 runs are scored in an inning and 80% of the runs are scored by top 4 batsman only So, their respective scores are∶ 48, 72, 24, 120 Since the last batsman scored 18 runs, Remaining score = 330 – 264 – 18 = 48 Hence, only 2nd batsman scored half-century, fourth batsmen century. ∴ Total half-centuries scored in that innings = 1