The H.C.F. of two numbers is 20 and the other two factors of their L.C.M. are 21 and 23. The larger of the two numbers is	Answers
A) 276	B) 299	C) 312	D) 460	E) none

Rationale: "solution clearly , the numbers are ( 20 x 21 ) and ( 20 x 23 ) . larger number = ( 20 x 23 ) = 460 . answer d"
Answer: D