Question

The ratio of two numbers is 4 : 5, and their HCF is 3. What is their LCM?

• A. 48
• B. 80
• C. 60
• D. 36

Answer 1

Answer:

C. 60

numbers in the ratio 4 : 5 and their HCF is 3 number becomes 4 × 3 = 12 and 5 × 3 = 15 L.C.M × H.C.F = Product of two numbers L.C.M × 3 = 12 × 15 L.C.M = 60