FIGURE IT OUT
Credit: GAMES Magazine - Mar. 2004
Raymond Love

The two columns below add up to the same number and are related in a special way. Can you determine the significance of the juxtaposition of these columns?

FIVE                   4
SIX                      9
SEVEN               5
EIGHTEEN       18

Answer:

The spelled out numbers FIVE, SIX, and SEVEN contain the Roman Numerals IV, IX, and V, respectively, corresponding to the 4, 9, and 5 in the right-hand column.