1 Answers

Option 1 : 1

The Venn diagram is given below:-

[ alt="F1 Puja T 28-12-21 Savita D14" src="//storage.googleapis.com/tb-img/production/21/12/F1_Puja%20T_28-12-21_Savita_D14.png" style="width: 153px; height: 161px;">

The shaded part is the principals who are both, teachers and students. 

So, 1 principal who are both, teachers and students.

Hence, "option 1" is the correct answer.

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