PROBLEM #1
Combine the three numbers in each group to get the same result in each of the two groups. You can use addition, subtraction, multiplication, division, and exponentiation.
Group 1:    1, 6, 11        
Group 2:    13, 20, 33

PROBLEM #2
Calculate:


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Problems from 07/07/11

PROBLEM # 1
Which is more: 8 deciliters or 1 liter?

SOLUTION 1
1 liter.

SOLUTION 2
The phrase  "x times"  implies that x is a +ve integer and so not a "continuous variable.  Soin the first place the question of differentiation does not arise. 

Congratulations to Aseem Chandawarkar and Prabhakar Nadkarni, who were winners of the last set of puzzles.

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