1
NDA Mathematics 10 April 2022
MCQ (Single Correct Answer)
+2.5
-0.83
Consider the following statements in respect of square matrices A and B of same order :
1. If AB is a null matrix, then at least one of A and B is a null matrix.
2. If AB is an identity matrix, then BA = AB.
Which of the above statements is/are correct?
2
NDA Mathematics 10 April 2022
MCQ (Single Correct Answer)
+2.5
-0.83
Let A and B be non-singular matrices of the same order such that AB = A and BA = B. Which of the following statements is/are correct ?
1. A2 = A
2. AB2 = A2B
Select the correct answer using the code given below:
3
NDA Mathematics 10 April 2022
MCQ (Single Correct Answer)
+2.5
-0.83
What is (1110011)2 ÷ (10111)2 equal to ?
4
NDA Mathematics 10 April 2022
MCQ (Single Correct Answer)
+2.5
-0.83
If x3 + y3 = (100010111)2 and x + y = (11111)2, then what is (x - y)2 + xy equal to ?
Questions Asked from Matrices (Marks 2.5)
Number in Brackets after Paper Indicates No. of Questions
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