A mixture contains alcohol and water in the ratio of 4 : 3. If 5 litr…

Question

A mixture contains alcohol and water in the ratio of 4 : 3. If 5 litres of water is added to the mixture the ratio becomes 4 : 5. The quantity of alcohol in the given mixture is = ?

Accepted Answer

Option D. 10 litres. Answer & Solution Answer: Option D Solution: Alcohol : Water 4 : 3 Let 4x : 3x ∴ 5 litres of water is added to the mixture & 4x3x + 5 = 4/5 & 20x = 12x + 20 & 8x = 20 & x = 208 & x = 5/2 & Quantity of alcohol & 4 × 5/2 = 10\, litres