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What value will come in place of question mark (?) in following number series? 12, 16, 32, 68, ?

Correct Answer: 132

Explanation:

Given series is 


 


12        16         32          68         ?


 


Here it follows a pattern that,


 


12


 


12 + (2x2) = 16


 


16 + (4x4) = 32


 


32 + (6x6) = 68


 


68 + (8x8) = 132


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