# The HCF and LCM of two numbers is 18 and 378 respectively. If one of the number is 54, then the other number is

The HCF and LCM of two numbers is 18 and 378 respectively. If one of the number is 54, then the other number is
[A]144
[B]196
[C]126
[D]236

126
Second Number $=\frac{HCF\times LCM}{First Number }$
$=\frac{18\times 378}{54} = 126$
Hence option [C] is the right answer.