Question

a batsman in his 11th innings makes a score of 68 runs and thereby increasing is average score by 2 what is his average score of the eleventh innings

Answer 1

Answer : 38 runs

Explanation :

Let the average after 11 innings = x
Total runs scored in 11 innings = 12x

Average after 10 innings = (x-2)
Total runs scored in 16 innings = 10(x-2)

Total runs scored in 10 innings + 68 = Total runs scored in 11 innings
=> 10(x-3) + 68 = 11x
=> 10x - 30 + 68 = 11x
=> 11x - 10x = -30 + 68
x = 38
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