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Answer : 2 60 Explanation : Answer: B) 60 Explanation: Let the numbers be 3x, 4x, 5x. Then, their L.C.M = 60x. So, 60x=3600 or x=60. Therefore,  The numbers are (3 x 60), (4 x 60), (5 x 60). Hence,required H.C.F=60

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