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Answer : 2 245 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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