Practice JEE Mathematics Determinants MCQs provided below. The MCQ Questions for JEE Determinants Mathematics with answers and follow the latest JEE (Main)/ NCERT and KVS patterns. Refer to more Chapter-wise MCQs for JEE (Main) JEE Mathematics and also download more latest study material for all subjects
MCQ for JEE Mathematics Determinants
JEE Mathematics students should review the 50 questions and answers to strengthen understanding of core concepts in Determinants
Determinants MCQ Questions JEE Mathematics with Answers
Question. The system of simultaneous equations kx + 2y – z = 1, (k – 1) y – 2z = 2 and (k + 2) z = 3 have a unique solution if k equals:
(a) – 1
(b) – 2
(c) 0
(d) 1
Answer: A
Question. If A and B are square matrix of the same order such that AB = A and BA = B, then A and B are both :
(a) non-singular
(b) involutory
(c) idempotent
(d) singular
Answer: A
Question. x + ky – z = 0, 3x – ky – z = 0 and x – 3y + z = 0 has non-zero solution for k is equal to :
(a) 1
(b) – 1
(c) 0
(d) 2
Answer: A
Question. The value of a for which the system of equations x + y + z = 0, x + ay + az = 0, x – ay + z = 0, possesses nonzero solutions, are given by :
(a) 1, – 1
(b) none
(c) 1, 2
(d) 1, 0
Answer: A
Question. System of equation : x + 3y + 2z = 6 ; x + λy + 2z = 7 ; x + 3y + 2z = μ has
(1) infinitely many solution if λ= 4, μ = 6
(2) no solution if λ= 5, μ = 7
(3) no solution if λ = 3, μ = 5
(4) unique solution if λ= 2, μ ≠6
(a) 1, 2 and 3 are correct
(b) 2 and 4 are correct
(c) 1 and 2 are correct
(d) 1 and 3 are correct
Answer: A
Free study material for Matrices
MCQs for Determinants Mathematics JEE
Students can use these MCQs for Determinants to quickly test their knowledge of the chapter. These multiple-choice questions have been designed as per the latest syllabus for JEE Mathematics released by JEE (Main). Our expert teachers suggest that you should practice daily and solving these objective questions of Determinants to understand the important concepts and better marks in your school tests.
Determinants NCERT Based Objective Questions
Our expert teachers have designed these Mathematics MCQs based on the official NCERT book for JEE. We have identified all questions from the most important topics that are always asked in exams. After solving these, please compare your choices with our provided answers. For better understanding of Determinants, you should also refer to our NCERT solutions for JEE Mathematics created by our team.
Online Practice and Revision for Determinants Mathematics
To prepare for your exams you should also take the JEE Mathematics MCQ Test for this chapter on our website. This will help you improve your speed and accuracy and its also free for you. Regular revision of these Mathematics topics will make you an expert in all important chapters of your course.
You can get most exhaustive JEE Mathematics Determinants MCQs for free on StudiesToday.com. These MCQs for JEE Mathematics are updated for the 2025-26 academic session as per JEE (Main) examination standards.
Yes, our JEE Mathematics Determinants MCQs include the latest type of questions, such as Assertion-Reasoning and Case-based MCQs. 50% of the JEE (Main) paper is now competency-based.
By solving our JEE Mathematics Determinants MCQs, JEE students can improve their accuracy and speed which is important as objective questions provide a chance to secure 100% marks in the Mathematics.
Yes, Mathematics MCQs for JEE have answer key and brief explanations to help students understand logic behind the correct option as its important for 2026 competency-focused JEE (Main) exams.
Yes, you can also access online interactive tests for JEE Mathematics Determinants MCQs on StudiesToday.com as they provide instant answers and score to help you track your progress in Mathematics.