A batsman average was 15.at last innings he took 23 runs
then his average became 16.how much run he should take to
make his average 18?
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Answer Posted / juliajoyce jeniferkavitha
At his last innings, (15x+23)/(x+1)=16=>x=7;
At his next innings, i.e at the 8th innings,
(15x+23+y)/(x+2)=18; substituting x=7,we get y=34;
Therefore he has to score 34 runs to get an average of 18.
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