Multiple choice general knowledge math & puzzles

Anita had to do a multiplication. Instead of taking 35 as one of the multipliers, she took 53. As a result, the product went up by 540. What is the new product?

  1. 1590

  2. 1050

  3. 540

  4. 1440

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Let the other multiplier be x. Correct product: 35x. Wrong product: 53x. Difference: 53x-35x = 18x = 540. So x = 30. New product = 53 × 30 = 1590.