UP Police SI Exam 12 Dec 2017 Shift 3 Solved Paper
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Question : 115 of 160
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In what ratio should talcum powder A of 3 rupees 20 paise per kg be mixed with talcum powder B of 2 rupees 90 paise per kg so that the cost price of the mixture becomes 3 rupees 8 paise per kg?
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