In nine innings of cricket, the average of a batsman is 58 runs. How many runs does he need to make in the tenth innings to get the average score 61?

88 69 79 100

88

Total Run batsman need to score in 10 innings to achieve avg. 61 = 61 x 10 Total Runs he already had scored in 9 innings = 9 x 58 Runs batsman need to score in 10th inning = 610- 522 = 88