Question : The ratio of two numbers is 3 : 4 and their HCF is 5. Their LCM is:
Option 1: 10
Option 2: 60
Option 3: 15
Option 4: 12
Answer (1)
24th Jan, 2024
Correct Answer: 60
Solution :
Given: Ratio of two numbers is 3 : 4 and their HCF is 5.
Here, the common factor is 5.
So, the numbers will be 3 $\times$ 5 = 15 and 4 $\times$ 5 = 20
Now, 15 = 3 × 5 and 20 = 4 × 5
LCM = 3 × 4 × 5 = 60
Hence, the correct answer is 60.
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