2 votes 2 votes In what proportion should milk and water be mixed to reduce the price of milk from Rs.18 per litre to Rs.16 per litre? (a) 8:1 (b) 10:1 (c) 6:1 (d) None of these Quantitative Aptitude ratio-proportion + – Pooja Palod asked Dec 11, 2015 Pooja Palod 1.8k points 4.7k views answer comment Share See all 0 reply Please log in or register to add a comment.
Best answer 2 votes 2 votes Assuming water is free of cost, $$\frac{x.18+ y.0}{x+y} = 16 \\ \implies 2x = 16y \\ \implies x:y = 8:1$$ Arjun answered Dec 11, 2015 selected Dec 11, 2015 by Pooja Palod Arjun 8.6k points comment Share See all 0 reply Please log in or register to add a comment.