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There are 6 consecutive odd numbers in i...

There are 6 consecutive odd numbers in increasing order. The difference between the average of the squares of the first 4 numbers and the last 4 numbers is 64. If the sum of the squares of the first and the last element (i.e., odd numbers) is 178, then find the average of all the six numbers.

A

7

B

8

C

9

D

10

Text Solution

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The correct Answer is:
B
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