প্রশ্ন ও উত্তর
The average of Selim’s marks in 7 subjects is 75. His average in six subjects excluding Science is 72. How many marks did he get in Science?
গণিত Statistics and Average 08 Oct, 2020
প্রশ্ন The average of Selim’s marks in 7 subjects is 75. His average in six subjects excluding Science is 72. How many marks did he get in Science?
সঠিক উত্তর
93
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