Please wait...

Mathematics Test - 15
Menu grid icon
Red alarm icon Time Left -
  • Question 1/10
    5 / -1

    A square matrix is called singular if _________.

  • Question 2/10
    5 / -1
    If A is a singular matrix, then A(adj A) is a / an
  • Question 3/10
    5 / -1
    If \(\rm A=\begin{bmatrix} 1& 3\\ 5& 2\end{bmatrix}\) and \(\rm B=\begin{bmatrix} 3&2\\ 1& 3\end{bmatrix}\), then |AB| = ?
  • Question 4/10
    5 / -1
    If A is an orthogonal matrix, then |A| is
  • Question 5/10
    5 / -1
    The equations 2x - ky + 7 = 0 and 6x - 12y + 15 = 0 have no solution for
  • Question 6/10
    5 / -1
    The area of triangle with vertices (K, 0), (4, 0), (0, 2) is 4 square units, then value of K is
  • Question 7/10
    5 / -1

    Find the value of a, b, c and d if: \(\left[ {\begin{array}{*{20}{c}} {a - b}&{2a + c}\\ {2a - b}&{3c + d} \end{array}} \right] = \left[ {\begin{array}{*{20}{c}} { - 1}&5\\ 0&{13} \end{array}} \right]\)

  • Question 8/10
    5 / -1
    The system of linear equation kx + y + z = 1, x + ky + z = 1 and x + y + kz = 1 has a unique solution under which one of the following conditions?
  • Question 9/10
    5 / -1
    If x y z are all different and not equal to zero and \(\left| {\begin{array}{*{20}{c}} {1 + x}&1&1\\ 1&{1 + y}&1\\ 1&1&{1 + z} \end{array}} \right| = 0\) then the value of x-1 + y-1 + z-1 is equal to
  • Question 10/10
    5 / -1
    What is the minor, M23 of \( \begin{bmatrix} 0 & 4 & 6\\ -4 & 0&-2 \\ -6& 2 & 0 \end{bmatrix}\)
Close button icon
User Profile
-

Answered - 0

Un-answered - 10

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
Mockers logo Get latest Exam Updates
& Study Material Alerts!
No, Thanks
Arrow pointer icon
Click on Allow to receive notifications
Notification bell icon ×
Open Now