Multiple choice general knowledge

42*48 equals

  1. 2016

  2. 1816

  3. 1916

  4. 1616
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

42 * 48 = 2016. Use the identity (a-b)(a+b) = a^2 - b^2 with 45 as the base: (45-3)(45+3) = 2025 - 9 = 2016.

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