Quantitative Aptitude Ques 586

Question: The GCD of two whole numbers is 5 and their LCM is 60. If one of the numbers is 20, then the other number would be

Options:

A) 25

B) 13

C) 16

D) 15

Show Answer

Answer:

Correct Answer: D

Solution:

  • We know, GCD $ \times $ LCM = Product of numbers

$ \Rightarrow $ $ 5\times 60=20\times x $

$ \Rightarrow $ $ x=15 $

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