Question

The average of three numbers is 45.The first number is much more than the average as the second number is less than the average.Find the third number

Answer 1

let the third number = x
and
the first number be = x + y .
therefore, the second number =x - y .
ATQ , (x+y) +(x)+(x-y ) = 45 ×3
x+x+x+y -y =45 × 3
3x = 45×3
x=( 45 ×3 )/3
x = 45

Answer 2

Answer:

let the third number = x

and

the first number be = x + y .

therefore, the second number =x - y .

ATQ , (x+y) +(x)+(x-y ) = 45 ×3

x+x+x+y -y =45 × 3

3x = 45×3

x=( 45 ×3 )/3

x = 45

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