What's the hit rate of bullets?

Peanut oil yield is the percentage of peanut weight.

The bullet hit rate is the percentage of the number of bullets hitting the target to the total target.

The passing rate of the exam is a few percent of the total number of people who want to pass the exam;

So the answer is: the quality of oil, the weight of peanuts, the number of bullets hit, the total number of targets hit, the number of people passing by, the total number of people.