Learn

Saturday, 31 October

JEE Main 2020 · MathsMultiple choiceSingle correctEasyRecall

JEE Main 4 September 2020, Shift 2, Maths Q70

Question 70 of 75 in this shift, Maths question 20 of 25.

Contrapositive of the statement : ‘If a function ff is differentiable at a, then it is also continuous at a’, is :
  1. (1)If a function ff is continuous at a, then it is differentiable at a.
  2. (2)If a function ff is continuous at a, then it is not differentiable at a.
  3. (3)If a function ff is not continuous at a, then it is not differentiable at a.Official answer
  4. (4)If a function ff is not continuous at a, then it is differentiable at a.

Official answer

Option 3

NTA final key (Sep 2020).

Chapter
Continuity and Differentiability
Topic
No close match in our taxonomy
Idea tested
No close match in our taxonomy

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.