Test: Matrices- Case Based Type Questions- 2 - JEE MCQ
20 Questions MCQ Test Mathematics (Maths) Class 12 - Test: Matrices- Case Based Type Questions- 2
Direction: Read the following text and answer the following questions from (1 - 5) on the basis of the same:
On her birthday, Seema decided to donate some money to children of an orphanage home. If there were 8 children less, everyone would have got ₹10 more. However, if there were 16 children more, everyone would have got ₹ 10 less. Let the number of children be x and the amount distributed by Seema for one child be y (in ₹).
The equations in terms of x and y are
Which of the following matrix equations represent the information given above?
5x - 4y = 40
5x - 8y = -80
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The number of children who were given some money by Seema, is
How much amount is given to each child by Seema?
Seema is distributing money to all the students of an orphanage. If there are 30 students in the orphanage and Seema gives each student ₹20, how much money does Seema spend in total?
Direction: Read the following text and answer the following questions from (6 - 10) on the basis of the same:
Two farmers Ramakishan and Gurucharan Singh cultivate only three varieties of rice namely Basmati, Permal and Naura. The sale (in ₹) of these varieties of rice by both the farmers in the month of September and October are given by the following matrices A and B
September sales (in Rupees)
October sales (in Rupees)
The total sales in September and October for each farmer in each variety can be represented as _______.
The decrease in sales from September to October is given by _______ .
If Ramkishan receives 2% profit on gross sales, compute his profit for each variety sold in October.
If Gurucharan receives 2% profit on gross sales, compute his profit for each variety sold in September.
Direction: Read the following text and answer the following questions from (11 - 15) on the basis of the same:
There are three families A, B and C. The number of members in these families are given in the table below.
The daily expenses of each man, woman and child are respectively ₹200, ₹100 and ₹50.
The total daily expense of family A is _______.
The total daily expense of family C is _______.
The combined daily expense of all the women is _______.
The family with highest expense is _____.
The combined expense of men in family A and children in family C is _______.
Direction: Read the following text and answer the following questions from (16 - 20) on the basis of the same:
Three schools SNT, SNP and TKM organised a mela for collecting funds for helping the rehabilitation of flood victims. They sold hand-made fans, mats and plates from recycled material at a cost of ₹25, ₹100 and ₹50 each. The number of articles sold are given below.
Funds collected by SNT is _______.
The total fund raised by all the three schools together is _______.
The total fund raised by selling fans is _______
TKM collected ₹ _______ by selling plates.
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204 videos|290 docs|139 tests
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