The HCF of two numbers is 40 and the other two factors of their LCM are 11 and 12. What is the largest number.  Choose one.
A) 462  B) 450  C) 488  D) 480  E) 555

Rationale: "explanation : hcf of the two numbers = 40 hcf will be always a factor of lcm 40 is factor of lcm other two factors are 11 & 12 then the numbers are ( 40 * 11 ) and ( 40 x 12 ) = 440 and 480 answer : option d"
Answer: D