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In What Ratio Must Water Be Added To 10 Liters Of Milk At Rs.20 Per Liter So That Cost Of Mixture Is Rs.16 Per Liter ? |
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Answer» 10 lit milk cost 20 Rs For 1Rs, Milk = 1/2 lit For 16RS, Milk = (1/2)*16 = 8 lit (Milk) TOTAL quantity should be 10 litres. so 10 - 8 = 2 lit ( WATER have to ADD) Now RATIO = 2(water) : 8(Milk) = 1:4 10 lit milk cost 20 Rs For 1Rs, Milk = 1/2 lit For 16Rs, Milk = (1/2)*16 = 8 lit (Milk) Total quantity should be 10 litres. so 10 - 8 = 2 lit ( water have to add) Now ratio = 2(water) : 8(Milk) = 1:4 |
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