What will be Excluded Number? If

The mean of five numbers is 18. If one number is excluded, their mean is 16. The excluded number is :

  1. 25
  2. 26
  3. 27
  4. 30
vijay Professor Asked on 2nd August 2015 in Maths.
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1 Answer(s)

Answer:  (2) 26
Explanation:-
The mean of five numbers = 18
Then, the sum of five numbers = 18 x 5 = 90

One new number is excluded.
Then, the new mean = 16
The sum of remaining number = 16 x 4 = 64

Excluded number = 90 –  64
= 26
Hence, the excluded is 26.

Anurag Mishra Professor Answered on 2nd August 2015.
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