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…

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. a) n(1-r)
  2. b) 100(1-r)
  3. c) n(1-r)/100
  4. d) n(100-r)/100

From the Combined Bank Senior Officer September 2021 – Preliminary (AUST) exam, question 76 of 92.

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