Multiple choice

In what proportion must water be mixed with spirit to gain 25% by selling it at cost price.

  1. 1 : 4

  2. 1 : 5

  3. 1 : 6

  4. None
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

To gain 25% by selling at cost price, the mixture must contain 1 part water and 4 parts spirit. The ratio is 1:4.

AI explanation

To gain 25 percent, which is 1/4, the profit must equal 1/4 of the cost price. Because the spirit is sold at its original cost price, this profit is achieved by replacing 1/4 of the spirit volume with free water. Therefore, the ratio of water to spirit must be 1:4.

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