4.3. The bowling average of a crick...
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4.3. The bowling average of a cricketer was 12.4. He improves his bowling average by 0.2 points when he takes 5 wickets for 26 runs in his last match. The number of wickets taken by him before the last match was (1) 125 (2) 150 (3) 175 (4) 200

11th - 12th Class
Maths
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Sol. (3) Let the number of wickets taken by the cricketer before the last match ( =x ) According to the question. ( frac{12.4 x+26}{x+5}=12.2 Rightarrow 12.4 x+26=12.2 x+61 ) ( Rightarrow 0.2 x=61-26=35 Rightarrow x=frac{35}{0.2}=frac{350}{2}=175 )
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