Subject: mathqa
Question: 10 stickers numbered 1 to 10 are placed in a bowl , mixed up thoroughly and then one sticker is drawn randomly . if it is known that the number on the drawn sticker is more than 3 , what is the probability that it is an even number ?
Option: 
A: 9 / 11
B: 5 / 7
C: 4 / 7
D: 3 / 7
Answer: C