A batsman in his 17th innings makes a score of 85, and thereby increases his average by 3. What is his average after the 17th innings? He had never been 'not out'.
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Let he made score in the first inning X
1 .average scoring 16 imong is x/162.average score in the 17th inning x+85/17
by first condition
X + 85 /17 -x/16=3
(16 X + 1360 - 17 x)/272 =3
- X + 1360 =816
therefore x= 544
that is made score in the 16th in is 544
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