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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
Three schools DPS
Three schools DPS
Three schools DPS, CVC and KVS decided to organize a fair for collecting money for helping the flood victims. They sold handmade fans, mats and plates from recycled material at a cost of Rs. 25, Rs. 100 and Rs. 50 each respectively. The numbers of articles sold are given as

School/ArticleDPSCVCKVS
Handmade fans402535
Mats504050
Plates203040


Based on the information given above, and the following questions:
What is the total money (in Rupees) collected by the school DPS?
Select an option to see the answer, or skip this question.
Question 2 of 10
Three schools DPS
Three schools DPS
Three schools DPS, CVC and KVS decided to organize a fair for collecting money for helping the flood victims. They sold handmade fans, mats and plates from recycled material at a cost of Rs. 25, Rs. 100 and Rs. 50 each respectively. The numbers of articles sold are given as

School/ArticleDPSCVCKVS
Handmade fans402535
Mats504050
Plates203040


Based on the information given above, and the following questions:
What is the total amount of money (in Rs.) collected by schools CVC and KVS?
Select an option to see the answer, or skip this question.
Question 3 of 10
Three schools DPS
Three schools DPS
Three schools DPS, CVC and KVS decided to organize a fair for collecting money for helping the flood victims. They sold handmade fans, mats and plates from recycled material at a cost of Rs. 25, Rs. 100 and Rs. 50 each respectively. The numbers of articles sold are given as

School/ArticleDPSCVCKVS
Handmade fans402535
Mats504050
Plates203040


Based on the information given above, and the following questions:
What is the total amount of money collected by all three schools DPS, CVC and KVS?
Select an option to see the answer, or skip this question.
Question 4 of 10
Three schools DPS
Three schools DPS
Three schools DPS, CVC and KVS decided to organize a fair for collecting money for helping the flood victims. They sold handmade fans, mats and plates from recycled material at a cost of Rs. 25, Rs. 100 and Rs. 50 each respectively. The numbers of articles sold are given as

School/ArticleDPSCVCKVS
Handmade fans402535
Mats504050
Plates203040


Based on the information given above, and the following questions:
If the number of handmade fans and plates are interchanged for all the schools, then what is the total money collected by all schools?
Select an option to see the answer, or skip this question.
Question 5 of 10
Three schools DPS
Three schools DPS
Three schools DPS, CVC and KVS decided to organize a fair for collecting money for helping the flood victims. They sold handmade fans, mats and plates from recycled material at a cost of Rs. 25, Rs. 100 and Rs. 50 each respectively. The numbers of articles sold are given as

School/ArticleDPSCVCKVS
Handmade fans402535
Mats504050
Plates203040


Based on the information given above, and the following questions:
How many articles (in total) are sold by three schools?
Select an option to see the answer, or skip this question.
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
Select an option to see the answer, or skip this question.
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
Select an option to see the answer, or skip this question.
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
Select an option to see the answer, or skip this question.
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
Select an option to see the answer, or skip this question.
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
Select an option to see the answer, or skip this question.

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