1
NDA Mathematics 10 April 2022
MCQ (Single Correct Answer)
+2.5
-0.83
Change Language
What is (1110011)2 ÷ (10111)2 equal to ?
A
(101)2
B
(1001)2
C
(111)2
D
(1011)2
2
NDA Mathematics 10 April 2022
MCQ (Single Correct Answer)
+2.5
-0.83
Change Language
If x+ y3 = (100010111)2 and x + y = (11111)2, then what is (x - y)+ xy equal to ?
A
(1101)2
B
(1001)2
C
(1011)2
D
(1111)2
3
NDA Mathematics 18 April 2021
MCQ (Single Correct Answer)
+2.5
-0.83
Change Language
If A and B are two matrices such that AB is of order n × n, then which one of the following is correct?
A
A and B should be square matrices of same order.
B
Either A or B should be a square matrix.
C
Both A and B should be of same order
D
Orders of A and B need not be the same.
4
NDA Mathematics 18 April 2021
MCQ (Single Correct Answer)
+2.5
-0.83
Change Language
How many matrices of different orders are possible with elements comprising all prime numbers less than 30?
A
4
B
3
C
8
D
6
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