Example 9 - Write contrapositive of (i) If a number - Contrapositive and converse

  1. Chapter 14 Class 11 Mathematical Reasoning
  2. Serial order wise


Example 9 Write the contrapositive of the following statement: (i) If a number is divisible by 9, then it is divisible by 3. If a number is not divisible by 3, it is not divisible by 9 (ii) If you are born in India, then you are a citizen of India. If you are not a citizen of India, then you were not born in India. (iii) If a triangle is equilateral, it is isosceles. If a triangle is not isosceles, then it is not equilateral.

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 10 years. He provides courses for Maths and Science at Teachoo.