Q. 145.0( 3 Votes )

The mean of

Answer :

Concept Used:

Explanation:

The mean of 5 numbers is 18

Then, the sum of 5 numbers = 5 × 18

= 90

If the one number is excluded

Then, the mean of 4 numbers = 16

Therefore, sum of 4 numbers = 4 × 16 = 64

Excluded number = 90 – 64 = 26

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