Problema Solution
The digits of two digit number is differ by 3.if the digits are interchanged and the resulting no. Is added to the original number we get 143.what can be the original number.
Answer provided by our tutors
let digits be x , x-3
no.= 10x +x-3 = 11x -3
no.obtained by reversing order of digits = 10x -30+x = 11x -30
11x -3+11x-30 = 143
22x = 176
x = 176/22 = 8
no. = 11*8 -3 = 85
or 11*8 -30 = 58