Discrete Mathematics Online Test Online Exam Quiz
Discrete Mathematics Online Test GK Quiz. Question and Answers related to Discrete Mathematics Online Test. MCQ (Multiple Choice Questions with answers about Discrete Mathematics Online Test
Let A=[aij ] be an mxn matrix and k be a scalar then kA is equal to __________
Options
A : [kaij ]mxn
B : [aij/k ]mxn
C : [k2 aij]mxn
D : None of the mentioned
All the diagonal elements of a skew-symmetric matrix is?
Options
A : 0
B : 1
C : 2
D : Any integer
Let A order(axb) and Border(cxd) be two matrices, then for AB to exist, correct relation is given by?
Options
A : a = d
B : b = c
C : a = b
D : c = d
For matrix A, B if A – B = O, where O is a null matrix then?
Options
A : A = O
B : B = O
C : A = B
D : None of the mentioned
Let A order(axb) and Border(cxd) be two matrices, then if AB exists, the order of AB is?
Options
A : axd
B : bxc
C : axb
D : cxd
If for a square matrix A, A2 = A then such a matrix is known as _________
Options
A : Idempotent matrix
B : Orthagonal matrix
C : Null matrix
D : None of the mentioned
The matrix multiplication is distrbutive over matrix addition.
Options
A : True
B : False
C :
D :
For matrix A, B.(A+B)T = AT + BT and (AB)T = ATBT if the orders of matrices are appropriate.
Options
A : True
B : False
C :
D :
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