0 votes 0 votes A number consists of two digits. The sum of the digits is $9$. If $45$ is subtracted from the number, its digits are interchanged. What is the number? $63$ $72$ $81$ $90$ Quantitative Aptitude gateme-2018-set1 numerical-ability number-system + – Arjun asked Feb 17, 2018 recategorized Mar 5, 2021 by Lakshman Bhaiya ♦Arjun 28.5k points answer See all 0 reply