Number Systems Question

Report
Question

Please briefly explain why you feel this question should be reported .

Report
Cancel

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 ?

a) 3

b) 5

c) 9

d) 11

in progress 0
Number Systems placementseason 3 years 4 Answers 921 views 0

Answers ( 4 )

  1. Admin

    Please briefly explain why you feel this answer should be reported .

    Report
    Cancel

    Explanation:
    Let the number is xy. i.e ten’s digit is x and unit digit is y.
    So the number is 10x + y.

    After interchanging the new number will be 10y + x.
    Add two numbers, (10x + y) + (10y + x) = 11(x + y), which is always divisible by 11.

  2. Please briefly explain why you feel this answer should be reported .

    Report
    Cancel

    (d) 11


    Attachment
  3. Please briefly explain why you feel this answer should be reported .

    Report
    Cancel

    11

Leave an answer

Browse

Captcha Click on image to update the captcha .