The ratio of milk and water in a mixture is 4 : 3. If we add 2 litres of water, the ratio of milk and water becomes 8 : 7. What is the quantity of the final mixture?
Answer & explanation
Correct answer: option 2
Initial Ratio,
Milk : Water
4 : 3
2 liters of water is added,
Milk : Water
8 : 7
⇒ Making ratio of Milk equal in both the solutions, we multiply Initial solution with 2.
⇒ (4 : 3) x 2 = 8 : 6
⇒ Difference in Initial water ratio and Final water ratio = (7 - 6) = 1
⇒ 1 unit = 2 liters
⇒ The quantity of the final mixture = (8 : 7) x 2 = 15 x 2 = 30 liters.