Question

x and y are two digit natural numbers such that digits are a & b and c & d respectively with a+b+c+d=18. If y=3x and (y-x) is a perfect square find possible values of x and y

Answer 1

x and y are two digit natural numbers such that digits are a & b and c & d respectively with a+b+c+d=18. If y=3x and (y-x) is a perfect square possible values of x and y are x= 18 and y=54