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  Number & Math Play

Roman Values
 
Q What is the second to the largest number and the second to the smallest number that you can make if you have one each of the following Roman numerals?

I V L X


 
A The second to the largest number is LXIV (64); the second to the smallest number is XLVI (46).

STRATEGY: Make a list.
I = 1
V = 5
L = 50
X = 10
The only combinations are: 44, 46, 64, 66

Inspired by a puzzle in Mighty Mini Mind Bogglers, K. C. Richards, New York: Sterling, 1999.