Multiple choice general knowledge

The L.C.M of two numbers is 480 and ratio of the two number is 5:6. What are the two numbers?

  1. 25,30

  2. 30,36

  3. 50,60

  4. 80,96

  5. 100,120

  6. 125,150

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

This is a corrected duplicate of the previous question. If two numbers are in ratio 5:6 and their LCM is 480, let the numbers be 5x and 6x. Since 5 and 6 are co-prime, LCM(5x,6x) = 30x = 480, so x = 16. The numbers are 5×16=80 and 6×16=96, making option D correct.