প্রশ্ন ও উত্তর
The average of 10 numbers is -10. If the sum of 6 of them is 100, then what is the average of the other 4 numbers?
গণিত Statistics and Average 07 Oct, 2020
প্রশ্ন The average of 10 numbers is -10. If the sum of 6 of them is 100, then what is the average of the other 4 numbers?
সঠিক উত্তর
-50
মন্তব্য
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