The Little Math Puzzle Contest: Puzzles #11-15
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Puzzle #11 :

What are the next 2 numbers?.... 61,  52,  63,  94, ___, ___

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Puzzle #12

What are the next 3 letters in the set?.... W, E, R, T, Y, U, ___, ___, ___

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Puzzle #13

 What are the next two numbers in the set?

        30, 27, 9, 12, 9, 3, 6, 3, 1, ___, ___

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Puzzle #14

What are the 2 missing numbers in this sequence.

        2, 5, 10, 20, ___, ____ , 500,  1000 

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Puzzle #15

What are the next 2 letters in the sequence.

        F, M, A, M, J, ___, ___

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