Determinants

CBSE Class 12 · Mathematics · 30 past questions

6 of 30 · show all

1. Q9 2025

   If $A = \begin{bmatrix} -1 & 0 & 0 \\ 0 & 1 & 0 \\ 0 & 0 & 1 \end{bmatrix}$, then $A^{-1}$ is

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2. Q10 2025

   If A is a square matrix of order 2 such that det (A) = 4, then det (4 adj A) is equal to…

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3. Q11 2025

   A school wants to allocate students into three clubs : Sports, Music and Drama, under following conditions…

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4. Q12 2025

   Given $A = \begin{bmatrix} -4 & 4 & 4 \\ -7 & 1 & 3 \\ 5 & -3 & -1 \end{bmatrix}$ and…

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5. Q13 2025

   If M and N are square matrices of order 3 such that det (M) = m and MN = mI, then det (N) is equal to…

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6. Q14 2025

   Let A and B be two square matrices of order 3 such that $\det(A) = 3$ and $\det(B) = -4$. Find the value of…

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