A solution of 165 litres contains `80%` of acid and the rest water. How much water must be added to the above solution such that the resulting mixture contains `25%` water ?A. 11 litresB. 8 litresC. 9 litresD. 10 litres

A solution of 165 litres contains `80%` of acid and the rest water. Ho

1.	A solution of 165 litres contains `80%` of acid and the rest water. How much water must be added to the above solution such that the resulting mixture contains `25%` water ?A. 11 litresB. 8 litresC. 9 litresD. 10 litres
Answer» Correct Answer - A (i) First, find out the quantity of acid and water in the solution. (ii) Clearly, `20%` of the solution is water. Find the water quantity in 165 liters. (iii) If x litres of water is added, then total solution is `(165+x)` litres. (iv) `(33+x):(165+x)=1:4.`

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A solution of 165 litres contains `80%` of acid and the rest water. How much water must be added to the above solution such that the resulting mixture contains `25%` water ?A. 11 litresB. 8 litresC. 9 litresD. 10 litres

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