Question

the sum of three consecutive even numbers is 54 find the number

Answer 1

Let the first no. be x , second be x+2 and third be x+4
x+x+2+x+4=54
=3x+6=54
=3x=54-6=48
=x=48÷3=16
First no =16
Second no=18
Third no=20

Answer 2

let number=x
let three consecutive even numbers be=x,x+2,x+4
A.T.Q.
x+x+2+x+4=54
3x+6=54
x+2=18
x=16
So, three consecutive numbers are :16,18and20
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