Question

Seven times a two digit number is equal to 4 times the number obtained by reversing the digits. If the difference between the digits
is 3. Find the number

Answer 1

Step-by-step explanation:

Let the tens and units digit of the number be x and y respectively.

7(10x + y) = 4(10y + x) 66x 33y y = 2x

y - x = 3

On solving the two equations, we get,

x = 3, y = 6

Therefore, the number is 36.

Answer 2

plz refer to this attachment