Question : The LCM of 8, 12, and 18 is:
Option 1: 24
Option 2: 80
Option 3: 72
Option 4: 36
Correct Answer: 72
Solution : Given numbers: 8, 12, and 18 We can write, 8 = 2 × 2 × 2 12 = 2 × 2 × 3 18 = 2 × 3 × 3 ⇒ LCM = 2 × 2 × 2 × 3 × 3 = 72 Hence, the correct answer is 72
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Question : The ratio of the two numbers is 4 : 5, and their HCF is 3. What is their LCM?
Question : The HCF and LCM of the two numbers are 126 and 9 respectively. If one of the numbers is 18, then what is the other number?
Question : The product of two numbers is 216. If the HCF is 6, then their LCM is:
Question : Directions: Which two numbers should be interchanged to make the given equation correct? 36 × 12 + 48 ÷ 6 –18 = 202
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