Question

7 timesa two digit number is equal to 4 times the number obtained by reversing the order of its digits. if the difference of digit is 3, find the number

Answer 1

7(10x+y)=4(10y+x) 70x+7y-40y-4x=0 66x-33y=0 33(x+x-y)=0 33(x-3)=0 x=3 Y=6 Hence no. Is 36 You can check