1.

The Average Of Five Numbers Id 27. If One Number Is Excluded, The Average Becomes 25. What Is The Excluded Number?

Answer»

SUM of 5 numbers = 5 × 27

Sum of 4 numbers after EXCLUDING ONE number = 4 × 25

EXCLUDED number

= 5 × 27 - 4 × 25

= 135 - 100 = 35.

Sum of 5 numbers = 5 × 27

Sum of 4 numbers after excluding one number = 4 × 25

Excluded number

= 5 × 27 - 4 × 25

= 135 - 100 = 35.



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