A scored 30% marks and failed by 15 marks. bB scored 40% marks and obtained 35 marks more than those required to pass. the approx passing percentage is
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let the total marks be x and pass mark is y
a scored 30℅=30x/100
but failed by 15 marks. hence, 30x/100+15=y---- 1 no
b scored 40%=40x/100
so 40x/100=y+35--- 2 no
solving them , x=500,y=165
now pass mark =165
pass percentage=165/500 *100=33℅
a scored 30℅=30x/100
but failed by 15 marks. hence, 30x/100+15=y---- 1 no
b scored 40%=40x/100
so 40x/100=y+35--- 2 no
solving them , x=500,y=165
now pass mark =165
pass percentage=165/500 *100=33℅
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