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Saturday, 31 October

JEE Main 2024 · MathsMultiple choiceSingle correctEasyCalculation

JEE Main 1 February 2024, Shift 2, Maths Q18

Question 18 of 90 in this shift, Maths question 18 of 30, Section A.

Let Ajay will not appear in JEE exam with probability p=27p=\frac{2}{7}, while both Ajay and Vijay will appear in the exam with probability q=15q=\frac{1}{5}. Then the probability, that Ajay will appear in the exam and Vijay will not appear is :
  1. (1)335\frac{3}{35}
  2. (2)2435\frac{24}{35}
  3. (3)1835\frac{18}{35}Official answer
  4. (4)935\frac{9}{35}

Official answer

Option 3

NTA final key.

Chapter
Probability
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.