1
Question
If 18 is subtracted from a two digit number, sum of whose digits is 10, digits of the number are reversed. Then the number is:
If 18 is subtracted from a two digit number, sum of whose digits is 10, digits of the number are reversed. Then the number is:
Open in App
Solution
The correct option is A 64
Let the number be xy
Now, 10x + y - 18 = 10y +x ⇒ 9 (x -7) = 18
⇒ x - y = 2
Solving, x = 6, y = 4
Let the number be xy
Now, 10x + y - 18 = 10y +x ⇒ 9 (x -7) = 18
⇒ x - y = 2
Solving, x = 6, y = 4
Suggest Corrections
1
Similar questions