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The average of 12 numbers is 18.5. The a...

The average of 12 numbers is 18.5. The average of first six numbers is 16.8 and that of the last seven numbers is 17.4. If the 6th number is excluded, then what is the average (correct to one decimal place) of remaining 11 numbers?

A

20.1

B

17.9

C

18.4

D

18.9

Text Solution

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The correct Answer is:
A
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