The ratio of two numbers is 5 : 4 and their HCF is 4. What is their LCM?
Answer & explanation
Correct answer: option 1
Let the two numbers be 5x and 4x
LCM of 5x and 4x= 20x
HCF = 4
According to the question
20x = 20 × 4 = 80
The ratio of two numbers is 5 : 4 and their HCF is 4. What is their LCM?
Correct answer: option 1
Let the two numbers be 5x and 4x
LCM of 5x and 4x= 20x
HCF = 4
According to the question
20x = 20 × 4 = 80