Multiple choice

Two numbers 55 and 99 have their HCF equal to 11. What is their LCM?

  1. 486

  2. 479

  3. 476

  4. 495
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D Correct answer
Explanation

For any two numbers a and b, the product of the numbers equals the product of their HCF and LCM. Therefore, 55 * 99 = 11 * LCM. Dividing both sides by 11 gives 5 * 99 = 495.

AI explanation

For any two numbers, the product of the numbers is equal to the product of their HCF and LCM. We set up the equation 55 times 99 = 11 times LCM. This gives 5445 = 11 times LCM. Dividing 5445 by 11 results in an LCM of 495.

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