There are n students in a school. If r% among the students are 12 years or younger, which of the following expressions represents the number of students who are older than 12?

1. There are n students in a school. If r% among the students are 12 years or younger, which of the following expressions represents the number of students who are older than 12?

[Officer (Freedom Fighter) 2019[MCQ] : 2019]

1. n(1 – r)

2. n(100–r)/100

3. n(1 – r)/100

4. 100(1 – r)n

Answer

Comments