Number series puzzle


There are five number series puzzles on the picture. Each series continues with some number (replace the question mark with your number).


created by brainfans
  

 


Brain teaser - Number And Math Puzzle - Number series puzzle - There are five number series puzzles on the picture. Each series continues with some number (replace the question mark with your number).

3 liked this     How many people solved this? 5 solved this

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There is no hint

10 (+3/-2)
22 (-2/-4)
25 (-1/+2)
14 (+0/-13)
15 (21/+2)




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Can you also solve Play with numbers and letters
Which is the word in red color if you transform its letters using the rule above?