All about flooble | fun stuff | Get a free chatterbox | Free JavaScript | Avatars    
perplexus dot info

Home > Just Math
Missing digits (Posted on 2011-06-06) Difficulty: 3 of 5
Replace the interrogation marks in the following statements by appropriate digits (0 to 9) to make these statements valid:

D1: 34?561? is exactly divisible by 45
D2: 68??37 is exactly divisible by 99
D3: 9???057 is equal to 417 times ?1???
D3: 70??34? is exactly divisible by 792
D4: 4?18? is exactly divisible by 101
D5: 6?80?8??51 is exactly divisible by 73*137

No Solution Yet Submitted by Ady TZIDON    
Rating: 3.6667 (3 votes)

Comments: ( You must be logged in to post comments.)
  Subject Author Date
re: 4 by hand, just for fun SHORTER VERSIONAdy TZIDON2011-06-08 08:09:14
4 by hand, just for funbroll2011-06-08 07:40:42
D5 simplerJer2011-06-07 10:16:13
D5 by handxdog2011-06-06 21:59:04
D3-1 by handxdog2011-06-06 20:30:40
D3-2 by handxdog2011-06-06 19:37:45
A few by handJer2011-06-06 15:07:01
Solutionmostly computer solution (spoilers)Charlie2011-06-06 14:17:37
Please log in:
Login:
Password:
Remember me:
Sign up! | Forgot password


Search:
Search body:
Forums (0)
Newest Problems
Random Problem
FAQ | About This Site
Site Statistics
New Comments (3)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On

Chatterbox:
Copyright © 2002 - 2017 by Animus Pactum Consulting. All rights reserved. Privacy Information