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Today's Brain Teaser

 

What number should replace the question mark in the figure below?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Come back tomorrow for the correct answer to this teaser.
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Answer for yesterday's Brain Teaser

Find the missing number that completes the following series

 

                                                0.5      0.25      2.25      4.5      2.25      4.25      ?


Answer

The missing number is 8.5

 

the sequence goes as ÷2, +2, x2 and so on...

so,

0.5÷2 = 0.25

0.25+2 = 2.25

2.25x2 = 4.5

4.5÷2 = 2.25

and it continues on...

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