The sum of digits of a two-digit number is 9. Also,nine times this number is twice the number obtained by reversing the order of the digits.Find the number. nine times this number is twice the number obtained by reversing the order of the digits.Find the number. The sum of digits of a two-digit number is 9. Also October 3, 2020 Category: Chapter 3 - Pair of Linear Equations in Two Variables , Exercise 3.4 , Maths , NCERT Class 10 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related