প্রশ্ন ও উত্তর
If 3a +5b = 10 and 5a + 3b = 30, what is the average (arithmetic mean) of a and b?
গণিত Statistics and Average 08 Oct, 2020
প্রশ্ন If 3a +5b = 10 and 5a + 3b = 30, what is the average (arithmetic mean) of a and b?
সঠিক উত্তর
2.5
মন্তব্য
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