Two equal containers filled with mixtures of milk and water in the ratio of 4: 1 and 1: 3 respectively were emptied into a larger container. What is the ratio of milk and Water in the larger container?


A) 21 : 19

B) 30 : 10

C) 25 : 15

D) 35 : 5

Correct Answer:
A) 21 : 19

Description for Correct answer:
Let us assume that the capacity of the two containers that initially contained the mixtures was 20 liters each, Therefore, the first container would have had 16 liters of milk and 4 liters of water. The second container would have had 5 liters of milk and 1 5 liters of water.
When these two are mixed, you get 16 + 5 = 21 liters of milk and 4 + 15 == 19 liters of water.
Hence, the ratio of milk and water in the larger container = 21 : 19

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