Question

If the difference between two digit number and the number obtained by reversing the digits of previous number is 27, then the difference in both the digits of the number will be:

• A. 5
• B. 7
• C. 9
• D. 3

Answer 1

Answer:

D. 3

two digit number be (10x + y ). Reversing of the digits of the number = ( 10 y + x) (10x + y) - (10y + x) = 27 9x - 9y = 27 x - y = 3