JEE Main 4 April 2025, Shift 2, Maths Q22

Question 22 of 75 in this shift, Maths question 22 of 25, Section B.

Let m and n,

(m<n)

, be two 2-digit numbers. Then the total numbers of pairs

(m,n)

, such that

\gcd(m,n)=6

, is __________.

Official answer

NTA final key.

Chapter: Permutations and Combinations
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 42 of the 174 JEE Main shifts held from 2017 to 2026.