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Answer : 3 4 Explanation : Answer: C) 4 Explanation: N = H.C.F. of (4665 - 1305), (6905 - 4665) and (6905 - 1305)= H.C.F. of 3360, 2240 and 5600 = 1120.Sum of digits in N = ( 1 1 2 0 ) = 4

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