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If A is any matrix then which of the following is not symmetric?

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Important Questions on Matrices

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Gamma Question Bank for Engineering Mathematics>Chapter 19 - Matrices>Assignment>Q 32
Each diagonal element of a skew symmetric matrix is
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Gamma Question Bank for Engineering Mathematics>Chapter 19 - Matrices>Assignment>Q 33
Let A be the set of all 3×3 matrices which are symmetric with entries 0 or 1 . If there are five 1's and four 0's, then number of such matrices A is 
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Gamma Question Bank for Engineering Mathematics>Chapter 19 - Matrices>Assignment>Q 34
The multiplicative inverse of matrix A=2174 is
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Gamma Question Bank for Engineering Mathematics>Chapter 19 - Matrices>Assignment>Q 35
The matrix X in the equation AX=B, such that A=1301 and B=1-101 is given by
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Gamma Question Bank for Engineering Mathematics>Chapter 19 - Matrices>Assignment>Q 37
Let A=aij50×50 such that aij=tan-1i-j,∀i, j, then ∑aij, is
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Gamma Question Bank for Engineering Mathematics>Chapter 19 - Matrices>Assignment>Q 38
Let a set A=a1,a2,a3,…,a180. Then total number of possible matrices of different order formed by using all element of set A exactly once in a matrix is n1·n2!, where n1,n2∈N. Then least value of n1+n2 is
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Gamma Question Bank for Engineering Mathematics>Chapter 19 - Matrices>Assignment>Q 39
A and B are two 3×3 matrices such that they are inverse of each other then tr.5AB+6BA+7AB2+8BA2 is equal to
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Gamma Question Bank for Engineering Mathematics>Chapter 19 - Matrices>Assignment>Q 40
If A and B are orthogonal matrices of order 4×4 and 5×5 respectively then tr.AAT+2ATA+5AAT+tr.2BBT+4BTB is