Mathematics, 25.11.2020 19:50 angrybirdsryver
Q7. Average of 60 numbers are 55. When 10 more numbers are included, the average of
70 numbers become 75. Find the
average of 10 numbers.
Answers: 1
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Q7. Average of 60 numbers are 55. When 10 more numbers are included, the average of
70 numbers beco...
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