Quantitative Aptitude Ques 1817

Question: The LCM and the HCF of the numbers 28 and 42 are in the ratio

Options:

A) 6 : 1

B) 2 : 3

C) 3 : 2

D) 7 : 2

Show Answer

Answer:

Correct Answer: A

Solution:

  • LCM of 28 and 42

$ \therefore $ LCM $ =2\times 2\times 7\times 3=84 $ HCF of 28 and 42 By Division Method,

$ \therefore $ HCF = 14 Now, ratio $ =\frac{LCM}{HCF}=\frac{84}{14}=\frac{6}{1}=6:1 $

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