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JEE Main 2023 · MathsMultiple choiceSingle correctEasyCalculation

JEE Main 6 April 2023, Shift 2, Maths Q19

Question 19 of 90 in this shift, Maths question 19 of 30, Section A.

Three dice are rolled. If the probability of getting different numbers on the three dice is

\frac{p}{q}

, where

p

and

q

are co-prime, then

q-p

is equal to

(1) $4$ Official answer
(2) $3$
(3) $2$
(4) $1$

Official answer

Option 1

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.