the maximum number of different elements requried to from a symmetric matrx of order 6 is

What is the maximum number of different elements required to form a symmetric matrix of order 12 ?

What is the maximum number of different elements required to form a symmetric matrix of order 12 ?

What is the maximum number of different elements required to form a symmetric matrix of order 12 ?

What is the maximum number of different elements required to form a symmetric matrix of order 12 ?

The maximum number of different possible non-zero entries in a skew symmetric matrix of order 'n' is

The maximum number of elements in third period is

The maximum number of elements in 3^(rd) period is :

The maximum number of elements present in fifth period :

The maximum number of elements available in elemental form

A skew - symmetric matrix of order n has the maximum number of distinct elements equal to 73, then the order of the matrix is