Average of 15 numbers is 20. If a number 4 is also included, then what will be the average of these 16 numbers?

Average of 15 numbers is 20. If a number 4 is also included, then what

1.	Average of 15 numbers is 20. If a number 4 is also included, then what will be the average of these 16 numbers?
A.	17
B.	18
C.	18.5
D.	19
Answer» E.

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Average of 15 numbers is 20. If a number 4 is also included, then what will be the average of these 16 numbers?

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