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The average of ten numbers is 18.2. the ...

The average of ten numbers is 18.2. the average of the first four numbers is 16.6 and that of the last seven numbers is 20.8. If the number is excluded, then the average of the remaining numbers is (correct to one decimal place):

A

16.9

B

15.8

C

17.2

D

16.7

Text Solution

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The correct Answer is:
A
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