213) A batsman score 87 runs in the...
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213) A batsman score 87 runs in the 21 match of his career f his ang increases by 2 what was his aug before 21 match.

SSC CGL
Maths
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Let, a va apter ( 21^{text {st }} ) math ( rightarrow(x) ) before ( 215+[x-2) ) so, ( 20(x-2)+87=21(x ) ( 20 x-40+87=21 x ) ( x=47 ) avg before ( 21^{text {st } rightarrow 47-2} ) ( Rightarrow 45 )
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