Ask a Question

A two – digit number is 4 times the sum of its digits. The number obtained by interchanging the digits is greater

+1 vote
84 views
in maths by (473 points)
edited

 A two – digit number is 4 times the sum of its digits. The number obtained by interchanging the digits is greater by 9 than the original number. Find the original number. Ans. The original number is 12.

Your answer

Please answer the question in detail
Your name to display (optional):
Privacy: Your email address will only be used for sending these notifications.
Anti-spam verification:
To avoid this verification in future, please log in or register.

Related questions

+2 votes
1 answer 301 views
A three digit number is equal to 17 times the sum of its digits. If 198 is added to the number,
asked Mar 3, 2021 in Uncategorized by #impmaths10thmaharashtra

Doubtly is an online community for engineering students, offering:

  • Free viva questions PDFs
  • Previous year question papers (PYQs)
  • Academic doubt solutions
  • Expert-guided solutions

Get the pro version for free by logging in!

Most popular tags

jeemain geography-10th engineering physics semester 5 web computing

5.7k questions

5.1k answers

108 comments

559 users

Doubtly
...