Staff Selection Commission Quantitative Aptitude — Question 279

Question

The HCF of two numbers is 12 and their LCM is 180. If one number is 36, find the other

1. 50
2. 60
3. 72
4. 80

Correct answer

B — 60

Explanation (English)

Product of numbers = HCF × LCM. 36 × x = 12 × 180. x = 60

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