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
Options:
A . 150
B . 200
C . 125
D . 175
Answer: Option D Answer: (d)Let the number of wickets taken by the cricketer before the last match = x According to the question, ${12.4x+26}/{x+5}$ =12.2 ⇒ 12.4x + 26 = 12.2x + 61 ⇒ 0.2x = 61 – 26 = 35 ⇒ x = $35/{0.2}$=$350/2$=175
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