JEE Main 2025 · MathsNumerical answerNumerical valueMediumMulti-step

JEE Main 7 April 2025, Shift 1, Maths Q22

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

The number of singular matrices of order 2, whose elements are from the set

\{2, 3, 6, 9\}

, is ___________.

Official answer

NTA final key.

Chapter: Matrices
Topic: Matrix Inverse
Idea tested: Singular and Non-singular Matrices

Same idea in other shifts

Asked 2× in all

6 Apr 2026, Shift 2 · Q17Let $A=\begin{bmatrix}1&3&-1\\2&1&\alpha\\0&1&-1\end{bmatrix}$ be a singular matrix. Let $f(x)=\int_0^x\left(t^2+2t+3\right)dt$ ,…MediumSingle correct

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.