প্রশ্ন ও উত্তর
A school has only the classes having 20, 30 and 40 students respectively. The percentages of students passed are 30%, 50% and 60% respectively. The percentage of passed students in the entire school is-
22 Mar, 2025
প্রশ্ন A school has only the classes having 20, 30 and 40 students respectively. The percentages of students passed are 30%, 50% and 60% respectively. The percentage of passed students in the entire school is-
সঠিক উত্তর
50
মন্তব্য
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