If the L.C.M of two numbers is 450 and their product is 22500, find the H.C.F of the numbers. Choose the correct choice from the following choices
A) 50
B) 30
C) 125
D) 25
E) none of these

Rationale: "h . c . f = ( product of the numbers ) / ( their l . c . m ) = 22500 / 450 = 50 . answer : a"
Answer: A