Q:
      
      
         
            
311, 230, 294, ?, 281, 256
 
What will come in place of the question mark (?) in the above number series?
         
       
      
      
      
          
      
      
          Answer & Explanation
         Answer: B) 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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