What is the sum of the first five positive integers?

Practice Questions

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

Questions & Step-by-Step Solutions

What is the sum of the first five positive integers?
Correct Answer: 15
  • Step 1: Identify the first five 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 15, which is the sum of the first five positive integers.
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