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1. A cricketer scored some runs in his 21st innings, as a result, his average runs increased by 3. If the present average run is 40, how many runs he scored in the final innings?
Now,
37 × 20 + x = 40 × 21
x = 840 - 740
x = 100
Solution:
Let he scored x runs in final inningsNow,
37 × 20 + x = 40 × 21
x = 840 - 740
x = 100