What is the sum of the first 5 positive integers?

Practice Questions

Q1
What is the sum of the first 5 positive integers?
  1. 10
  2. 15
  3. 20
  4. 25

Questions & Step-by-Step Solutions

What is the sum of the first 5 positive integers?
Correct Answer: 15
  • Step 1: Identify the first 5 positive integers. They are 1, 2, 3, 4, and 5.
  • Step 2: Write down the numbers to be added: 1 + 2 + 3 + 4 + 5.
  • Step 3: Start adding the numbers together. First, add 1 and 2 to get 3.
  • Step 4: Now add 3 (the result from Step 3) to 3 (the next integer) to get 6.
  • Step 5: Next, add 6 (the result from Step 4) to 4 to get 10.
  • Step 6: Finally, add 10 (the result from Step 5) to 5 to get 15.
  • Step 7: The final result is the sum of the first 5 positive integers, which is 15.
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