1. If two three-digit numbers are formed using the digits 1, 5, 6, 7, 8 and 9 without repetition, what is the maximum sum?

2. How many four-digit numbers whose sum of digits is 3 are?

3. How many two-digit pairs give a sum of 45?​

Answers & Comments


Add an Answer


Please enter comments
Please enter your name.
Please enter the correct email address.
You must agree before submitting.

Helpful Social

Copyright © 2024 EHUB.TIPS team's - All rights reserved.