a scored 30% marks failed by 15 marks .B scored 40% marks and obtained 35 marks more than passing marks .the approx pass percentage is
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30/100x+15=40/100x-35
10/100x=50
x=500
pass marks=30×500/100+25=150+15=165
pass percentage=(165/500)×100=33%
10/100x=50
x=500
pass marks=30×500/100+25=150+15=165
pass percentage=(165/500)×100=33%
mahakchaurasia:
2nd line not clear
From 1st equation ... 40/100x-30/100x=35+15..
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