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Very important Instructions

You do not need to submit the solution of this assignment.

This assignment is specially designed to introduce the style of the exam but just for telling the type of questions, the questions in the exam may not be as simple as in this assignment. Also we are only giving descriptive questions in this assignment, whereas for the practice of objective type questions, quiz will be given.

Solution of the assignment will be uploaded after one week. You can then compare your solution with the solution provided by us.

Question 1:

For the matrix, verify that

1) det (AB) =det (A).det(B)

2) det (A+B) ≠det (A)+det(B)

Question: 2

Three families P, Q and R share 480 kg of rice. Q receives twice as much as P and R receives half much rice as Q. How much rice does each family get?

Question: 3

In an automobile dealership, the most popular passenger cars are Brand A, B and C. Because buyers normally bargain for the best price, the average sales price for each brand is $20904, $11757, and $27859 respectively.

Table shows the sales for 3-month period.

Month	A	B	C
1	25	60	50
2	30	40	60
3	45	53	58

What are revenues from sale of Brands A, B and C for a 3-month period?

Question 4:

An item whose list price is Rs.500 is available at two successive discounts of Rs.10% and 20%.Find amount paid by the customer.

Question 5:

A jewelry chest costs Rs. 840 and has a 20% markup on the selling price.

Find the markup amount and the selling price of the chest.

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