17 June 2011

53. Oil and No Oil

Easy Medium Hard Extreme


What is the numerical value of each letter to make the statement true?

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Replace letter "O" with number 7,
Replace letter "I" with number 6,
Replace letter "L" with number 1,
Replace letter "N" with number 8.

The sum then becomes:
 761
   87
 761
 +78
-----
1687

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