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Maths Determinants Class 12 Case Based MCQ Questions

Case Based MCQ Quiz · Class 12 · Maths · CBSE

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Chapter 4 Class 12 Determinants | 10 questions | about 8 minutes

Practise Determinants 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
The management committee
The management committee
The management committee of a residential colony decided to award some of its members (say x) for honesty, some (say y) for helping others and some others (say z) for supervising the workers to kept the colony neat and clean. The sum of all the awardees is 12. Three times the sum of awardees for cooperation and supervision added to two times the number of awardees for honesty is 33 . The sum of the number of awardees for honesty and supervision is twice the number of awardees for helping.
$$ x+y+z= $$

\(\_\_\_\_\)
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Question 2 of 10
The management committee
The management committee
The management committee of a residential colony decided to award some of its members (say x) for honesty, some (say y) for helping others and some others (say z) for supervising the workers to kept the colony neat and clean. The sum of all the awardees is 12. Three times the sum of awardees for cooperation and supervision added to two times the number of awardees for honesty is 33 . The sum of the number of awardees for honesty and supervision is twice the number of awardees for helping.
$$ x-2 y= $$
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Question 3 of 10
The management committee
The management committee
The management committee of a residential colony decided to award some of its members (say x) for honesty, some (say y) for helping others and some others (say z) for supervising the workers to kept the colony neat and clean. The sum of all the awardees is 12. Three times the sum of awardees for cooperation and supervision added to two times the number of awardees for honesty is 33 . The sum of the number of awardees for honesty and supervision is twice the number of awardees for helping.
The value of \(z\) is \(\_\_\_\_\) .
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Question 4 of 10
The management committee
The management committee
The management committee of a residential colony decided to award some of its members (say x) for honesty, some (say y) for helping others and some others (say z) for supervising the workers to kept the colony neat and clean. The sum of all the awardees is 12. Three times the sum of awardees for cooperation and supervision added to two times the number of awardees for honesty is 33 . The sum of the number of awardees for honesty and supervision is twice the number of awardees for helping.
The value of \(x+2 y=\) \(\_\_\_\_\) .
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Question 5 of 10
The management committee
The management committee
The management committee of a residential colony decided to award some of its members (say x) for honesty, some (say y) for helping others and some others (say z) for supervising the workers to kept the colony neat and clean. The sum of all the awardees is 12. Three times the sum of awardees for cooperation and supervision added to two times the number of awardees for honesty is 33 . The sum of the number of awardees for honesty and supervision is twice the number of awardees for helping.
The value of \(2 x+3 y+5 z=\) \(\_\_\_\_\)
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Question 6 of 10
Manjit wants to
Manjit wants to
Manjit wants to donate a rectangular plot of land for a school in his village. When he was asked to give dimensions of the plot, he told that if its length is decreased by 50 m and breadth is increased by 50 m , then its area will remain same, but if length is decreased by 10 m \& breadth is decreased by 20 m , then area will decrease by \(5300 \mathrm{~m}^2\)

Based on the information given above, answer the following questions:
The equations in terms of \(X\) and \(Y\) are
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Question 7 of 10
Manjit wants to
Manjit wants to
Manjit wants to donate a rectangular plot of land for a school in his village. When he was asked to give dimensions of the plot, he told that if its length is decreased by 50 m and breadth is increased by 50 m , then its area will remain same, but if length is decreased by 10 m \& breadth is decreased by 20 m , then area will decrease by \(5300 \mathrm{~m}^2\)

Based on the information given above, answer the following questions:
Which of the following matrix equation is represented by the given information
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Question 8 of 10
Manjit wants to
Manjit wants to
Manjit wants to donate a rectangular plot of land for a school in his village. When he was asked to give dimensions of the plot, he told that if its length is decreased by 50 m and breadth is increased by 50 m , then its area will remain same, but if length is decreased by 10 m \& breadth is decreased by 20 m , then area will decrease by \(5300 \mathrm{~m}^2\)

Based on the information given above, answer the following questions:
The value of \(x\) (length of rectangular field) is
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Question 9 of 10
Manjit wants to
Manjit wants to
Manjit wants to donate a rectangular plot of land for a school in his village. When he was asked to give dimensions of the plot, he told that if its length is decreased by 50 m and breadth is increased by 50 m , then its area will remain same, but if length is decreased by 10 m \& breadth is decreased by 20 m , then area will decrease by \(5300 \mathrm{~m}^2\)

Based on the information given above, answer the following questions:
The value of \(y\) (breadth of rectangular field) is
Select an option to see the answer, or skip this question.
Question 10 of 10
Manjit wants to
Manjit wants to
Manjit wants to donate a rectangular plot of land for a school in his village. When he was asked to give dimensions of the plot, he told that if its length is decreased by 50 m and breadth is increased by 50 m , then its area will remain same, but if length is decreased by 10 m \& breadth is decreased by 20 m , then area will decrease by \(5300 \mathrm{~m}^2\)

Based on the information given above, answer the following questions:
How much is the area of rectangular field?
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