1. Three bottles of equal capacity containing mixture of milk and water in ratio 2 : 5, 3 : 4 and 4 : 5 respectively. These three bottles are emptied into a large bottle. What will be the ratio of milk and water respectively in the large bottle?
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By: anil on 05 May 2019 01.47 am
Let the capacity of each bottle = 63 litres [L.C.M.(7,7,9)] Ratio of milk and water in the three bottles respectively = 2:5 , 3:4 and 4:5 Milk in 1st bottle = $$frac{2}{(2+5)} imes63=18$$ litres and water in 1st bottle = $$63-18=45$$ litres Similarly, milk in 2nd bottle = $$frac{3}{7} imes63=27$$ litres and water in 2nd bottle = $$63-27=36$$ litres Similarly, milk in 3rd bottle = $$28$$ litres and water = $$35$$ litres => Total milk = $$18+27+28=73$$ litres and total water = $$45+36+35=116$$ litres $$ herefore$$ Required ratio = $$frac{73}{116}$$ => Ans - (B)
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