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Pinku make a solution by adding Pepsi and Coke in the ratio 6 ∶ 5. If 10 liters of Pepsi is added to the solution, the ratio become 7 ∶ 5. Find the quantity of Coke in the solution Pinku made.
1. 50 liters
2. 25 liters
3. 70 liters
4. 35 liters

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Correct Answer - Option 1 : 50 liters

Given

Pinku 10 liters final ratio

Formula Used

a ∶ b ∶∶ c ∶ d

then, a/b = c/d

Calculation

Given ratio = 6 ∶ 5

Let the quality of Pepsi be 6x and Coke be 5x

When 10 liters more Pepsi is added, the quantity of Pepsi be 6x + 10

So, the final ratio will be

(6x + 10)/5x = 7/5

⇒ 30x + 50 = 35x

⇒ 5x = 50

⇒ x = 10

Quantity of Coke = 5x = 5 × 10 = 50 liter

50 liters Coke is added in the solution.

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