The H.C.F. of two numbers is 10 and the other two factors of their L.C.M. are 13 and 14. The larger of the two numbers is:
Choose the correct choice from the following answers:
A) 100  B) 120  C) 180  D) 140  E) 60

Rationale: "clearly , the numbers are ( 10 x 13 ) and ( 10 x 14 ) . larger number = ( 10 x 14 ) = 140 . answer : option d"
Answer: D