The ten's digit of a 2-digit number is greater than the units digit by 7. If we subtract 63 from the number, the new number obtained is a number formed by
interchange of the digits. Find the number.
The ten's digit of a 2-digit number is greater than the units digit by 7. If we subtract 63 from the number, the new number obtained is a number formed by
interchange of the digits. Find the number. 1). 81 2). 23 3). 46 4). 78