Question

sum of three consecutive numbers is 90. find the number

Answer 1

let the three numbers be x , x +1, x + 2

ATQ

x +x+1+x+2 = 90

3x + 3 = 90

x + 1 = 30

x = 29

the numbers are 29, 30,31

Answer 2

let the number be x
a/q

x+1+x+2+x+3=90
3x+6=90
3x=90-6
3x=84
x=28

now put the value