Bhargab has a certain average for 9 innings. In the tenth innings, he scores 100 runs thereby increasing his average by 8 runs. His new average is:
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Let Bhargab s average for 9 innings is X
so he scored 9X runs in 9 innings
After tenth inning his total score = 9X+100
His new average = X+8
ATQ
(X+8)×10 = 9X+100
10X+80 = 9X+100
X=20
So his new average is 20+8= 28
so he scored 9X runs in 9 innings
After tenth inning his total score = 9X+100
His new average = X+8
ATQ
(X+8)×10 = 9X+100
10X+80 = 9X+100
X=20
So his new average is 20+8= 28
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