Question : The ratio of the two numbers is 6 : 7 and their HCF is 3. Their LCM is _____.
Option 1: 124
Option 2: 128
Option 3: 122
Option 4: 126
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Answer (1)
23rd Jan, 2024
Correct Answer: 126
Solution :
Ratio = 6 : 7
HCF = 3
First number = $6\times 3 = 18$
Second number = $7\times 3 = 21$
So, LCM of 18 and 21 = 3 × 6 × 7 = 126
Hence, the correct answer is 126.
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