If the L.C.M of two numbers is 660 and their product is 18480, find the H.C.F of the numbers.
Options:
A) 50
B) 30
C) 125
D) 25
E) None of these
H.C.F = (Product of the numbers) / (Their L.C.M) = 18480/660= 
<gadget id="calculator">18480/660</gadget>
<output>28</output>
28.   ANSWNone of theseR:None of these
<result>E</result>
If the L.C.M of two numbers is 660 and their product is 18480, find the H.C.F of the numbers.