Latest Infosys Aptitude Question SOLUTION: In a 60 liters of mixture of spirit and water, water is 7 %. In order to make water 19%, how much water should be added?

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In a 60 liters of mixture of spirit and water, water is 7 %. In order to make water 19%, how much water should be added?

Solution

let the amount of spirit is x liters so according to the given condition
x = 60*0.93 = 55.8 and amount of water = 4.2
let the water added = y liters
so (4.2+y)/(60+y) = 19/100
on solving we will get y = 80/9 liters

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Asked In Infosys (12 years ago)

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