the sum of the digits of a two-digit number is 7. the number obtained by interchanging the digits exceeds the original number by 27.find the number.
please.i want the full explaination of this question...!!
let the no . be 10x + y
therefore 10x + y = 7
atq 10y +x = 27
now u cn well solve
hopw this helped :)
thumbs up plss !!