The proportion among three numbers is 3 : 4 : 5 and their LCM is 1800. The second number is:
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e 120
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Understanding Tricks |
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Application Proportion = 3 : 4 : 5 LCM = 3 × 4 × 5 = 1800 60 unit = 1800 |
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Hence 4 unit = 1800/60 × 4 = 120 |