1. A cricketer, whose bowling average was 12.4 runs/wicket takes 5 wickets for 22 runs in a match, thereby decreases his average by 0.4. The number of wickets, taken by him before this match was:
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By: anil on 05 May 2019 01.49 am
Let the number of wickets taken = $$x$$ Bowling average = 12.4 => Total runs conceded by the bowler = $$12.4x$$ After the match, new bowling average = $$12.4-0.4=12$$ => $$frac{12.4x+22}{x+5}=12$$ => $$12.4x+22=12x+60$$ => $$12.4x-12x=60-22$$ => $$0.4x=38$$ => $$x=frac{38}{0.4}=95$$ => Ans - (C)
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