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Answer : 3 175 Explanation : Answer: C) 175 Explanation: Given that, working days = 5 working hours = 8 A man get rupess per hour is Rs.2.40 So in one day the man get total rupees is 2.40 x 8 = 19.2 So in 5 days week the man get total rupees is 19.2 x 5 = 96 So in 4 week the man get total rupees is 96 x 4 = 384 So the man worked for = 160hours in 4 weeks  But given that the man earned Rs.432  Hence remaning money is (432-384 = 48)which is earn by doing overtime work Overtime hours  = 48/3.20 = 15So total worked hours is = 15 160 = 175.

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