A container has 30 liters of a mixture of water and alcohol in the ratio 2:1. Ho

Practice Questions

Q1
A container has 30 liters of a mixture of water and alcohol in the ratio 2:1. How much alcohol is in the container?
  1. 5 liters
  2. 10 liters
  3. 15 liters
  4. 20 liters

Questions & Step-by-Step Solutions

A container has 30 liters of a mixture of water and alcohol in the ratio 2:1. How much alcohol is in the container?
  • Step 1: Understand the total volume of the mixture, which is 30 liters.
  • Step 2: Identify the ratio of water to alcohol, which is 2:1.
  • Step 3: Calculate the total number of parts in the ratio by adding the parts together: 2 (for water) + 1 (for alcohol) = 3 parts.
  • Step 4: Determine the volume of alcohol by finding the fraction of the total volume that corresponds to alcohol. Since alcohol is 1 part out of 3, the fraction is 1/3.
  • Step 5: Multiply the total volume (30 liters) by the fraction for alcohol (1/3): (1/3) * 30 = 10 liters.
  • Step 6: Conclude that there are 10 liters of alcohol in the container.
  • Ratio and Proportion – Understanding how to divide a total quantity based on given ratios.
  • Volume Calculation – Calculating the volume of a component in a mixture based on its ratio to the total volume.
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