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Daily 30 Seconds 



Random: Easy  Medium  Hard  

Can you solve the mathematical questions in 30 seconds?

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Easy – Jul 22

+1
×5
−9
÷4
−2
÷6
+9
×3
−13
?
 

Puzzle Copyright © Kevin Stone



Medium – Jul 22

−4
÷5
−2
SQUARE
+3
÷4
−7
DOUBLE
−6
?
 

Puzzle Copyright © Kevin Stone



Hard – Jul 22

+1
×21/3
×25%
+35
HALVE
+5
×2/3
+26
×2
?
 

Puzzle Copyright © Kevin Stone



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Notes 



Click 'start' to see the starting number, and then follow the instructions until you get to the end. Not everyone can solve every 30 Seconds puzzle within 30 seconds.

I have deliberately chosen not include the answers – you can use a calculator to see the value at each stage of the calculation.

Note: take a look at the information about the difficulty levels.

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