#### Missing Number : 123, 117, 108, 99, ?

Which number completes this sequence? 123, 117, 108, 99, ?

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#### Number Puzzle : 544, 509, 474, 439, ?

Solve this number puzzle. What number should come next? 544, 509, 474, 439, ...

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#### Number puzzle : 1, 4, 9, ?, 25, 36, 49

Which number replaces the question mark?

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#### Number puzzle : 5, 7, 11, 13, 17, ?

Which number completes the puzzle? 5, 7, 11, 13, 17, ?

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#### Number riddle, If 87+92=18, 57+83=13

Solve if you are a Genius! If 87 + 92 = 18 57 + 83 = 13 12 + 61 = 4 then, 62 + 31 = ?

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#### Number puzzle, 5, 3, 2, 6, 4, 10, 6, 15, ?

Which number replaces the question mark?

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#### Which number is missing?

Solve if you are a Genius!

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