# Easy Number System Solved QuestionAptitude Discussion

 Q. The LCM of two number is 4800 and their HCF is 160. If one number is 480, then the second number is:
 ✖ A. 1200 ✖ B. 1500 ✔ C. 1600 ✖ D. 1800

Solution:
Option(C) is correct

Solution:

$\text{HCF × LCM = product of two numbers}$

Hence,$4800×160 = 480×x$
⇒ $x=$ 1600