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Maths Matrices Class 12 Case Based MCQ Questions

Case Based MCQ Quiz · Class 12 · Maths · CBSE

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Chapter 3 Class 12 Matrices | 10 questions | about 8 minutes

Practise Matrices Class 12 with Teachoo's Case Based MCQ Quiz (Class 12 · Maths · CBSE). Practise these questions in a free interactive quiz with answer feedback.

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Question 1 of 10
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Question 1 of 10
A manufacture produces
A manufacture produces
A manufacture produces three stationery products Pencil, Eraser and Sharpener which he sells in two markets. Annual sales are indicated below
MarketProducts (in numbers)
PencilEraserSharpener
A10,000200018,000
B6,00020,0008,000

If the unit Sale price of Pencil, Eraser and Sharpener are Rs. 2.50, Rs. 1.50 and Rs. 1.00 respectively, and unit cost of the above three commodities are Rs. 2.00 Rs. 1.00 and Rs. 0.50 respectively, then, Based on the above information answer the following:
Total revenue of market \(A\)
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Question 2 of 10
A manufacture produces
A manufacture produces
A manufacture produces three stationery products Pencil, Eraser and Sharpener which he sells in two markets. Annual sales are indicated below
MarketProducts (in numbers)
PencilEraserSharpener
A10,000200018,000
B6,00020,0008,000

If the unit Sale price of Pencil, Eraser and Sharpener are Rs. 2.50, Rs. 1.50 and Rs. 1.00 respectively, and unit cost of the above three commodities are Rs. 2.00 Rs. 1.00 and Rs. 0.50 respectively, then, Based on the above information answer the following:
Total revenue of market \(B\)
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Question 3 of 10
A manufacture produces
A manufacture produces
A manufacture produces three stationery products Pencil, Eraser and Sharpener which he sells in two markets. Annual sales are indicated below
MarketProducts (in numbers)
PencilEraserSharpener
A10,000200018,000
B6,00020,0008,000

If the unit Sale price of Pencil, Eraser and Sharpener are Rs. 2.50, Rs. 1.50 and Rs. 1.00 respectively, and unit cost of the above three commodities are Rs. 2.00 Rs. 1.00 and Rs. 0.50 respectively, then, Based on the above information answer the following:
Cost incurred in market A
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Question 4 of 10
A manufacture produces
A manufacture produces
A manufacture produces three stationery products Pencil, Eraser and Sharpener which he sells in two markets. Annual sales are indicated below
MarketProducts (in numbers)
PencilEraserSharpener
A10,000200018,000
B6,00020,0008,000

If the unit Sale price of Pencil, Eraser and Sharpener are Rs. 2.50, Rs. 1.50 and Rs. 1.00 respectively, and unit cost of the above three commodities are Rs. 2.00 Rs. 1.00 and Rs. 0.50 respectively, then, Based on the above information answer the following:
Profit in market \(A\) and \(B\) respectively are
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Question 5 of 10
A manufacture produces
A manufacture produces
A manufacture produces three stationery products Pencil, Eraser and Sharpener which he sells in two markets. Annual sales are indicated below
MarketProducts (in numbers)
PencilEraserSharpener
A10,000200018,000
B6,00020,0008,000

If the unit Sale price of Pencil, Eraser and Sharpener are Rs. 2.50, Rs. 1.50 and Rs. 1.00 respectively, and unit cost of the above three commodities are Rs. 2.00 Rs. 1.00 and Rs. 0.50 respectively, then, Based on the above information answer the following:
Gross profit in both market
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Question 6 of 10
Amit Biraj and
Amit, Biraj and Chirag were given the task of creating a square matrix of order 2. Below are the matrices created by them. A, B, C are the matrices created by Amit, Biraj and Chirag respectively.

$$ A=\left[\begin{array}{cc} 1 & 2 \\ -1 & 3 \end{array}\right] \quad B=\left[\begin{array}{ll} 4 & 0 \\ 1 & 5 \end{array}\right] \quad C=\left[\begin{array}{cc} 2 & 0 \\ 1 & -2 \end{array}\right] $$

If \(a=4\) and \(b=-2\), based on the above information answer the following:
Sum of the matrices \(\mathrm{A}, \mathrm{B}\) and \(\mathrm{C}, \mathrm{A}+(\mathrm{B}+\mathrm{C})\) is
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Question 7 of 10
Amit Biraj and
Amit, Biraj and Chirag were given the task of creating a square matrix of order 2. Below are the matrices created by them. A, B, C are the matrices created by Amit, Biraj and Chirag respectively.

$$ A=\left[\begin{array}{cc} 1 & 2 \\ -1 & 3 \end{array}\right] \quad B=\left[\begin{array}{ll} 4 & 0 \\ 1 & 5 \end{array}\right] \quad C=\left[\begin{array}{cc} 2 & 0 \\ 1 & -2 \end{array}\right] $$

If \(a=4\) and \(b=-2\), based on the above information answer the following:
\(\left(\boldsymbol{A}^T\right)^T\) is equal to
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Question 8 of 10
Amit Biraj and
Amit, Biraj and Chirag were given the task of creating a square matrix of order 2. Below are the matrices created by them. A, B, C are the matrices created by Amit, Biraj and Chirag respectively.

$$ A=\left[\begin{array}{cc} 1 & 2 \\ -1 & 3 \end{array}\right] \quad B=\left[\begin{array}{ll} 4 & 0 \\ 1 & 5 \end{array}\right] \quad C=\left[\begin{array}{cc} 2 & 0 \\ 1 & -2 \end{array}\right] $$

If \(a=4\) and \(b=-2\), based on the above information answer the following:
\((\boldsymbol{b} \boldsymbol{A})^T\) is equal to
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Question 9 of 10
Amit Biraj and
Amit, Biraj and Chirag were given the task of creating a square matrix of order 2. Below are the matrices created by them. A, B, C are the matrices created by Amit, Biraj and Chirag respectively.

$$ A=\left[\begin{array}{cc} 1 & 2 \\ -1 & 3 \end{array}\right] \quad B=\left[\begin{array}{ll} 4 & 0 \\ 1 & 5 \end{array}\right] \quad C=\left[\begin{array}{cc} 2 & 0 \\ 1 & -2 \end{array}\right] $$

If \(a=4\) and \(b=-2\), based on the above information answer the following:
\(A C-B C\) is equal to
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Question 10 of 10
Amit Biraj and
Amit, Biraj and Chirag were given the task of creating a square matrix of order 2. Below are the matrices created by them. A, B, C are the matrices created by Amit, Biraj and Chirag respectively.

$$ A=\left[\begin{array}{cc} 1 & 2 \\ -1 & 3 \end{array}\right] \quad B=\left[\begin{array}{ll} 4 & 0 \\ 1 & 5 \end{array}\right] \quad C=\left[\begin{array}{cc} 2 & 0 \\ 1 & -2 \end{array}\right] $$

If \(a=4\) and \(b=-2\), based on the above information answer the following:
\((a+b) B\) is equal to
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