Question

when raju multiplies a certain number by 17 and adds 4to the product he gets 225.find that number

Answer 1

Let X be is certain number then according to question
X×17+4=225
X=13

Answer 2

Let the number be x.
As per the question,
17*x +4 = 225
17*x = 225-4
x = 221/17 = 13.