Chen Yao Le's answer to Candy's Primary 5 Maths question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Chen Yao Le
Chen Yao Le's answer
37 answers (Tutor Details)
1st
Except for option (1), all of them have common factors of 3,4 and 6.

But the question ask for smallest possible value. Hence, 12.