CDS 2013

Q. The LCM of two numbers is 2376 while their HCF is 33. If one of the two numbers is 297, then the other number is
a) 216
b) 264
c) 642
d) 792



Answer: b

HCF * LCM = Product of two numbers. Let the unknown number be x.
So, 2376 * 33 = 297 * x.
Which gives x = 264.