প্রশ্ন ও উত্তর
Salma's average in four tests is 80%. What mark does she need score in her fifth test to make her average 84%?
গণিত Statistics and Average 07 Oct, 2020
প্রশ্ন Salma's average in four tests is 80%. What mark does she need score in her fifth test to make her average 84%?
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100%
মন্তব্য
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