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Math Puzzle Answer

Here is the answer to one of our math puzzles. There are several other puzzles for you to figure out. Please click to find all of our math puzzles.

 

Math Puzzle Answer

Red Die White Die - Answer

There are 6 x 6 possible red die / white die fractions. The value of the denominator can be a number 1 through 6. For each of these, the numerator can also be a number 1 through 6.

The sum of the integers 1 through 6 is 21. Therefore, the sum of all possible fractions is 21(1 + 1/2 + 1/3 + 1/4 + 1/5 + 1/6) = 1,029/20.

The expected value is then 1,029/720 = 343/240 = 1.429167

 

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