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16, 1, 4, 12, -2, ?

Math brain teasers require computations to solve.

 

Puzzle ID:#49184
Fun:** (1.97)
Difficulty:** (1.96)
Category:Math
Submitted By:CrazyPineapple*

 

 

 



What number can replace the question mark in the puzzle? There is a pattern!

1, 2, 15, 12

-9, 10, 20, 43, -3, -1, -30

8, 17, 4, 1

16, 1, 4, 12, -2, ?

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Answer

The number -1 can replace the question mark! Each string of numbers adds up to 30.
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