If the HCF of two number is 16 and their product is 3072, then their LCM is

(a) 182
(b) 192
(c) 12
(d) None of these

The product of two numbers is $2160$ and their HCF is $12$. The LCM of these numbers is
(a) $12$
(b) $25920$
(c) $180$
(d) none of these

The product of two numbers is 192. If their LCM is 48, then what will be their HCF?

Product of two numbers $a$ and $b$ is 192. If their HCF is 4, then their L.C.M. is _____.