Multiple choice general knowledge math & puzzles

Let A = the square root of 6, B = the square root of 10, and C = the square root of 15. Which of the following is equal to the product ABC?

  1. 10 * (the square root of 3)

  2. 30

  3. 15 * (the square root of 2)

  4. 90
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B Correct answer
Explanation

ABC = √6 × √10 × √15 = √(6 × 10 × 15) = √900 = 30. When multiplying square roots, multiply the numbers under the radical signs first, then take the square root of the product.

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