Assignment # 2
MTH302 (Spring 2010)
Total marks: 13
Lecture # 9 to 16
Due date: 17-05-10
DON’T MISS THESE Important instructions:
Question 1: Marks 08
A flying company offers trips in Europe. The company flies three kinds of airplanes: the Boeing 757, the Boeing 767, and the Boeing 777. Each plane is outfitted with tourist, economy, and first-class seats. In Boeing 757, there are 50 tourist, 30 economy, and 32 first class seats. . In Boeing 767, there are 75 tourist, 45 economy, and 50 first class seats.
In Boeing 777, there are 40 tourist, 25 economy, and 30 first class seats.
The number of reservations for its January flight to Germany, 305 reservations for tourist class, 185 Economy class, and 206 first class.
To fill all the seats how many of each kind of plane should the company fly?
Question: 2 Marks 0
Why the inverse of following matrix is not possible
Question: 3 Marks 0
Write all the steps which are necessary to calculate the inverse of following matrix in Ms Excel and then also write the inverse matrix of given matrix.
Question 4: Marks 0
Discuss the importance of determinant of a matrix in evaluation of its inverse. Also state at least two properties of determinants which help in their evaluation.
Question 5: Marks 0
Find amount of markup and selling price on an item that costs Rs. 2400 if there is a 40% markup on cost.
Question 6: Marks 0
An item sells for Rs. 3200. If the markup on the cost is 48%, find the cost and the amount of the markup.
Question 7: Marks 0
Find the single discount rate that is equivalent to the series discount of 5%, 7% and 11%.
Question 8: Marks 05
An item that cost Rs. 2300 was marked up 38 % of the selling price. After some time the item is markdown 30 %. Calculate the sale price after markdown.
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