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In a recent UN report, it was stated that 25% of the world's population lives in

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Question: In a recent UN report, it was stated that 25% of the world\'s population lives in countries that are members of the UN. If the world population is approximately 8 billion, how many people live in UN member countries?

Options:

  1. 1 billion
  2. 2 billion
  3. 4 billion
  4. 6 billion

Correct Answer: 4 billion

Solution: 

25% of 8 billion is 0.25 * 8 billion = 2 billion.

In a recent UN report, it was stated that 25% of the world's population lives in

Practice Questions

Q1
In a recent UN report, it was stated that 25% of the world's population lives in countries that are members of the UN. If the world population is approximately 8 billion, how many people live in UN member countries?
  1. 1 billion
  2. 2 billion
  3. 4 billion
  4. 6 billion

Questions & Step-by-Step Solutions

In a recent UN report, it was stated that 25% of the world's population lives in countries that are members of the UN. If the world population is approximately 8 billion, how many people live in UN member countries?
  • Step 1: Understand that 25% means 25 out of every 100 parts.
  • Step 2: Convert 25% to a decimal. 25% as a decimal is 0.25.
  • Step 3: Know the total world population is approximately 8 billion.
  • Step 4: To find 25% of 8 billion, multiply 0.25 by 8 billion.
  • Step 5: Calculate 0.25 * 8 billion = 2 billion.
  • Step 6: Conclude that 2 billion people live in UN member countries.
  • Percentage Calculation – Understanding how to calculate a percentage of a total value.
  • Population Estimation – Applying population figures to real-world contexts.
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