Multiple choice

Some water is added to 40 L of pure milk in order to get 35% profit when sold at CP. Find the added quantity of water.

  1. 12

  2. 14

  3. 10

  4. 15
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

When water is added to milk and sold at cost price, the profit percentage equals the percentage of water added to the milk. Here, 35% profit means water constitutes 35% of the milk quantity. Water added = 35% of 40L = 0.35 × 40 = 14 liters. After adding 14L water, total volume becomes 54L, but the cost is only for 40L of milk. Selling 54L at the price of 40L gives a profit of 14L on 40L, which is exactly 35%.

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