Ratio between the quantities of water and milk in a mixture of 80 litres is 3:1. After adding 80 litres of water to the mixture, one-fourth of the mixture is sold to a customer. What is the quantity of milk left in the remaining mixture?Question 1Answera.17 litsb.15 litresc.16 litsd.24 lits
Question
Ratio between the quantities of water and milk in a mixture of 80 litres is 3:1. After adding 80 litres of water to the mixture, one-fourth of the mixture is sold to a customer. What is the quantity of milk left in the remaining mixture?Question 1Answera.17 litsb.15 litresc.16 litsd.24 lits
Solution
Step 1: The initial ratio of water to milk in the mixture is 3:1. This means that in the 80 litre mixture, 60 litres is water and 20 litres is milk.
Step 2: 80 litres of water is added to the mixture, making the total quantity of the mixture 160 litres (80 original + 80 added). The quantity of water in the mixture is now 140 litres (60 original + 80 added) and the quantity of milk remains 20 litres.
Step 3: One-fourth of the mixture is sold. This means 40 litres of the mixture is sold (160 litres * 1/4).
Step 4: Assuming the sold mixture maintains the same ratio of water to milk, 35 litres of water (140 litres * 1/4) and 5 litres of milk (20 litres * 1/4) are sold.
Step 5: Subtract the sold quantities from the total quantities in the mixture. The remaining quantity of milk in the mixture is 15 litres (20 litres - 5 litres).
So, the answer is b. 15 litres.
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