WBCS.LIVE practice question

Find the least number added to 8798 Ɨ 8792 to make it a perfect square.

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. 7
  2. 3
  3. 6
  4. 9

Correct answer and explanation

Correct answer: 9

Explanation: āœ… Correct Answer: C) 9 šŸ“š Explanation: The product can be written using the mathematical formula (x + 3)(x - 3), which equals x squared minus 9. To make this a perfect square, the minus 9 must be removed. Therefore, we must add '9' to the product to make it equal to x squared. This is a common math shortcut for finding the next perfect square in a product series.