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 ?

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 ? ?

Created: 1 week ago | Updated: 1 week ago | Created By:

Imran Ahmed

-100

-50

100

0 1

Best Answer Explained in Below-:

Total of 10 numbers = - 10×10 = - 100 the sum of 6 numbers is 100 so,Sum of last 4 numbers = - 100 - 100 = - 200 ∴Average = - 200/4 = - 50 (ans)

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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 ? ?

From 2004 to 2005. the sales of a book decreased by 80%. If the sales in 2006 were the same as in 2004, by what percent did they increase from 2005 to 2006 ?

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