if the ratio of two number is 6:7 and LCM of the number is 450 then what is the number. Choose one.
A) 11  B) 20  C) 25  D) 30  E) 35

Rationale: "product of two no = lcm * hcf 6 x * 7 x = 450 * x x = 11 answer : a"
Answer: A