প্রশ্ন ও উত্তর
A student who secures 20% marks in an examination fails by 30 marks another student secures 32% marks gets 42 marks more than those required to pass. The percentage of marks required to pass is--
গণিত Percentage 07 Oct, 2020
প্রশ্ন A student who secures 20% marks in an examination fails by 30 marks another student secures 32% marks gets 42 marks more than those required to pass. The percentage of marks required to pass is--
সঠিক উত্তর
25%
মন্তব্য
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