This question was previously asked in

AP Police SI 2018 Prelims Official paper 1

- 8 : 4
- 7 : 5
- 4 : 3
- 2 : 3

Option 2 : 7 : 5

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**Given:**

In-vessel A the quantity of milk = 4/7

In vessel A the quantity of milk = 2/5

**Concept Used:**

**Calculation:**

According to Question

In-vessel C the quantity of milk = 1/2

**∴ The required ratio taken from Vessel A & B is 14 : 10 or 7 : 5**

**Traditional Method:**

Given:

In-vessel A the quantity of milk = (4/7)X

In-vessel B the quantity of milk = (2/5)Y

**Concept Used**:

Initial Quantity = Final Quantity

**Calculation:**

According to question

⇒ (4/7)X + (2/5)Y = (1/2) × (X + Y)

⇒ X : Y = 7 : 5

∴ The required ratio taken from Vessel A & B is 14 : 10 or 7 : 5

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