10 $%$ water is present in a mixture of 70 liters of glycerin and water. If I want water to be 12.5 $%$ of the resultant mixture, what quantity of water must be added to it?

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1.5L

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2.5L

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Solution

The correct option is C
2L

We can try solving using the given options.
Initially, 7L of water in 70L of the mixture is present.
On mixing 2L of water, we will have 9L of water in 72L of the mixture, which will be 12.5 $%$ .

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10% water is present in a mixture of 70 liters of glycerin and water. If I want water to be 12.5% of the resultant mixture, what quantity of water must be added to it?

The correct option is C 2L We can try solving using the given options. Initially, 7L of water in 70L of the mixture is present. On mixing 2L of water, we will have 9L of water in 72L of the mixture, which will be 12.5%.

10 $%$ water is present in a mixture of 70 liters of glycerin and water. If I want water to be 12.5 $%$ of the resultant mixture, what quantity of water must be added to it?

The correct option is C
2L

We can try solving using the given options.
Initially, 7L of water in 70L of the mixture is present.
On mixing 2L of water, we will have 9L of water in 72L of the mixture, which will be 12.5 $%$ .