Q4. DIRECTIONS for questions 2 to 9: Select the correct alternative from the given choices. There are three containers, A, B and C, filled with 60%, 75% and 80% solutions respectively, of alcohol in water. The solutions in the three containers are taken in a certain ratio and mixed thoroughly to form a 70% solution of alcohol in water. In this mixture, if the quantity of the solution taken from C is 40% less than the quantity taken from A, by what percent is the quantity taken from B less or more than the quantity taken from A?
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Answer:
Correct option is
C.
53 : 115
Ratio of milk and water
=(61×5+83×4+125×5):(65×5+85×4+127×5)
=(65+23+1225):(625+25+1235)
=(1210+18+25):(1250+30+35)
=1253:12115=53:115
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