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Q. Uma wants to gain 15% profit on her sale of sugar. She buys 120 kg of sugar at Rs. 24 per kg to mix with 180 kg of sugar bought at Rs. 28 per kg. She sells the sugar mix at ….

Q. One disadvantage of using North-West Corner rule to find initial solution to the transportation problem is that

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Q. If a:b = 5:7 and c:d = 2a:3b, then ac : bd is

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Q. Find A:B:C:D when A:B = 2:3 ; B:C = 7:9 ; C:D = 5:7