The LCM and the HCF of the numbers 28 and 42 are in the ratio |
A) 6 : 1
B) 2 : 3
C) 3 : 2
D) 7 : 2
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 \[=\frac{\text{LCM}}{\text{HCF}}=\frac{84}{14}=\frac{6}{1}=6:1\] |
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