Question

Mean of 5 number is 22. if one number is excluded mean become 19. the excluded number is?

Answer 1

Solution :-

The mean of 5 numbers = 22

Sum of all 5 numbers = 5*22 = 110

If one number is excluded, numbers remained = 4

The mean of 4 numbers = 19

Sum of these 4 numbers = 4*19 = 76

Excluded number = Sum of 5 numbers - Sum of 4 numbers 

⇒ 110 - 76 

= 34

Hence, 34 is the excluded number.

Answer.