Question

sum of three consecutive number is 90 . find the numbers

Answer 1

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

now 28+1=29,28+2=30,28+3=31

Answer 2

Let the 3 consecutive no. is x,x+1,x+2
a.t.q.
x+x+1+x+2=90
3x+3=90
3x=90-3
3x=87
x=87/3
x=29
now 
1 no is =x=29
2 no is =x+1=29+1=30
3 no is =x+2=29+2=31

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