India’s No.1 Educational Platform For UPSC,PSC And All Competitive Exam
  • Sign Up
  • Login
  • 0
  • Donate Now

A number consists of two digits. If the digits interchange places and the new number is added to the original number, then the resulting number will be divisible by:

Option :

Answer:Option 1

Explanation:

Solution:
Let the ten's digit be x and unit's digit be y.
Then, number = 10x + y.
Number obtained by interchanging the digits = 10y + x.
∴ (10x + y) + (10y + x) = 11(x + y), which is divisible by 11.



Post your comments here:

Name *:

Email   : (optional)

» Your comments will be displayed only after manual approval.

Current Affairs
Test
Classes
E-Book