Answer:
B) 5 : 1
Explanation:
There are 10 right. Let's say 2 right answers are 1.
There are 10 right answers, so divide by 2. You get 5.
There are only 2 wrong answers. Let that represent 1.
You get 5 right, 1 wrong.
Put this into ratio form.
You get 5 : 1. That is your answer.