Let’s explore another problem that is commonly asked in the CBSE Class 9 exam pattern…

Question The sum of the digits of a two-digit number is 9. If 27 is subtracted from the number, its digits are reversed. Find the number. Solution Step 1: Define the variables Let the two-digit number be 10x+y10x + y, where: Step 2: Write the given conditions as equations Step 3: Solve the equations From … Read more