প্রশ্ন ও উত্তর
If the average (arithmetic mean) of x and y is 60 and the average (arithmetic mean) of y and z is 80, what is the value of (z-x)?
গণিত বীজগণিত 05 Oct, 2018
প্রশ্ন If the average (arithmetic mean) of x and y is 60 and the average (arithmetic mean) of y and z is 80, what is the value of (z-x)?
সঠিক উত্তর
40
মন্তব্য
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