Average Practice Test 6

Question : 19 of 40

Marks: +1, -0

A cricketer whose bowling average is 13.5 runs per wicket takes 7 wickets for 28 runs and thus decreases his average by 0.5. The number of wickets taken by him till the last match was:

Validate

Solution:

Let the required number of wickets be x.
Then,

{13.5x+ 28}/{x+7}= 13

13.5x × 28 = 13(x + 7)

13.5x + 28 = 13x + 91

0.5x = 63

x = 126

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