If the L.C.M of two numbers is 750 and their product is 18750, find the H.C.F of the numbers.	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 ) = 18750 / 750 = 25 . answer : d"
Answer: D