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311, 230, 294, ?, 281, 256 What will come in place of the question mark (?) in the above number series?

Correct Answer: 245

Explanation:

Given 311   230   294   ?   281   256


 


311 - (9x9) = 230


 


230 + (8x8) = 294


 


294 - (7x7) = 245


 


245 + (6x6) = 281


 


281 - (5x5) = 256


 


Hence, the missing number in the given series is 245.


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