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Answer : 3 2 Explanation : Answer: C) 2 Explanation: Let work done by 1 man in i day be mand Let work done by 1 boy in 1 day be bFrom the given data,4(5m 3b) = 2320m 12b = 23....(1)2(3m 2b) = 7 6m 4b = 7 ....(2)By solving (1)