 |
Home > Just Math
These problems are mostly math-related. That's not to say that they're all straightforward. You'll still need to flex your noggin to figure them out!
|
For the non-negative numbers a, b, c and d, such that:
a<=1, a+b<=5, a+b+c<=14, a+b+c+d<=30:
Prove that sqrt(a)+sqrt(b)+sqrt(c)+sqrt(d)<=10
|
Page 1 of 57 |
next >>
|
 Simultaneous Settlement | Rating: 5.00 Posted on 2012-01-27 by K Sengupta (No Solution Yet, 8 Comments)Yes and no | Posted on 2012-01-21 by Ady TZIDON (No Solution Yet, 1 Comments) Maybe? | Rating: 3.00 Posted on 2012-01-15 by Ady TZIDON (No Solution Yet, 3 Comments) 2011 Square Sum End | Posted on 2012-01-14 by K Sengupta (No Solution Yet, 1 Comments)  18 digits | Rating: 3.00 Posted on 2012-01-12 by Ady TZIDON (No Solution Yet, 5 Comments) Produce a product | Rating: 3.67 Posted on 2012-01-09 by Ady TZIDON (No Solution Yet, 4 Comments) Integer Forms | Rating: 4.00 Posted on 2012-01-07 by K Sengupta (No Solution Yet, 2 Comments)2011 Square Sum Start | Posted on 2011-12-31 by K Sengupta (No Solution Yet, 1 Comments) Consecutive non-divisors | Posted on 2011-12-27 by K Sengupta (No Solution Yet, 3 Comments) Summing square inverses | Posted on 2011-12-25 by K Sengupta (No Solution Yet, 2 Comments) N-Divisibility II | Posted on 2011-12-17 by K Sengupta (No Solution Yet, 5 Comments) 5-digit period | Rating: 5.00 Posted on 2011-12-16 by Ady TZIDON (No Solution Yet, 3 Comments) Not sexy! | Posted on 2011-12-13 by Math Man (No Solution Yet, 1 Comments) Getting gadgets galore | Rating: 5.00 Posted on 2011-12-12 by Ady TZIDON (No Solution Yet, 3 Comments) |
|
Please log in:
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:
|
