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Which of the following numbers is a perfect square?

Practice Questions

Q1
Which of the following numbers is a perfect square?
  1. 10
  2. 15
  3. 25
  4. 30

Questions & Step-by-Step Solutions

Which of the following numbers is a perfect square?
  • Step 1: Understand what a perfect square is. A perfect square is a number that can be expressed as the square of an integer.
  • Step 2: Identify the numbers you are checking. In this case, we are checking the number 25.
  • Step 3: Find the square root of the number. The square root of 25 is 5.
  • Step 4: Check if the square root is an integer. Since 5 is an integer, we can proceed.
  • Step 5: Square the integer you found. 5 squared (5^2) equals 25.
  • Step 6: Conclude that since 25 can be expressed as 5^2, it is a perfect square.
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