প্রশ্ন ও উত্তর
The average of 7 numbers of 40. If 3 more numbers with an average of 21 are added to these numbers,what will be the average of the combined 10 numbers?
গণিত Statistics and Average 07 Oct, 2020
প্রশ্ন The average of 7 numbers of 40. If 3 more numbers with an average of 21 are added to these numbers,what will be the average of the combined 10 numbers?
সঠিক উত্তর
34.3
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