/

Learn

Saturday, 31 October

/

JEE Main 2020 · MathsMultiple choiceSingle correctHardMulti-step

JEE Main 3 September 2020, Shift 2, Maths Q68

Question 68 of 75 in this shift, Maths question 18 of 25.

The probability that a randomly chosen 5-digit number is made from exactly two digits is :

(1) $\frac{121}{10^4}$
(2) $\frac{134}{10^4}$
(3) $\frac{150}{10^4}$
(4) $\frac{135}{10^4}$ Official answer

Official answer

Option 4

NTA final key (Sep 2020).

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.