Question

12. A two-digit number is such that the product of its digits is 20.1F9 is added to the number, (CBSE 2005) the digits interchange their places, Find the number. han in three times the other. Find​

Answer 1

Answer:

the number is 12

Step-by-step explanation:

let's split the number

10×2=20

and 12+9=21

the actual number is 12

the number reverses when added 9 that is21