A number when multiplied by 3 is odd and divisible by 9. This number when multiplied by 4 is 108. What is the original number?
Choose the correct choice.
A) 10 B) 18 C) 13 D) 21 E) 27

Rationale: working backward , 108 divided by 4 is 27 . this number fits the rules of three and nine , where the digits add up to a sum divisible by nine . answer is e .
Answer: E