Teachoo MCQ Test

Case Based MCQ Quiz

Preparing for CBSE

Chapter 4 Class 12 Determinants | 10 questions

Timed test. Answer every question before time runs out. Correct answers and solutions appear after submission.
Time remaining 960
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.
$$ x+y+z= $$

\(\_\_\_\_\)
Select one option. Answers are shown after the test.
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.
$$ x-2 y= $$
Select one option. Answers are shown after the test.
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 \(\_\_\_\_\) .
Select one option. Answers are shown after the test.
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 \(x+2 y=\) \(\_\_\_\_\) .
Select one option. Answers are shown after the test.
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 \(2 x+3 y+5 z=\) \(\_\_\_\_\)
Select one option. Answers are shown after the test.
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
Select one option. Answers are shown after the test.
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
Select one option. Answers are shown after the test.
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
Select one option. Answers are shown after the test.
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 one option. Answers are shown after the test.
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?
Select one option. Answers are shown after the test.