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Encryption to large extent can been adopted to restrict access to data/information only to intended receiver. With the use of well-labeled diagram, discuss various types of encryption and it's operations.




A 50g arrow moving at 20m/s strikes a pumpkin and drills a 35cm hole straight through it. When it emerges, the arrow has a speed of 8m/s. Assume uniform deceleration, find the time taken by the arrow to pass through the pumpkin.


Sum of Non-Diagonals

As the creative content member of your newspaper company, you are given the task to publish a puzzle in your local newspaper. For a given MxM integer matrix, the task is to print the sum of all elements other than the diagonal elements,Both the diagonals are to be excluded.


Input

The first line of input is a positive integer M.

The next M lines of input contain M space-separated integers.


Output

The output is an integer that represents the sum of all the numbers in the matrix as mentioned above.


Sample Input1

3

4 1 3

2 5 6

1 2 3

Sample Output1

11


Sample Input2

5

1 2 2 3 3

4 4 5 6 7

9 8 7 6 5

9 2 3 8 8

-4 -2 -2 4 -7

Sample Output2

63


Due to substantial increases in prices in country A,the real income level of the population in country A decreases.show on a diagram how the decrease in the income level in country A will affect the demand of meat,which is a normal good.also indicate how equilibrium price an equilibrium quantity will change in country A.



Number of possible open chain structure from molecular Formula C3H6O is x. Find the value of X by 4.


  1. When you order this chemical from a company the label says “ paradichlorobenzene” even though this is not he correct IUPAC name.  Why do you think the compound is labelled this way?  Do you think it is a good idea, or should all products be labelled with their IUPAC name?  Explain your reasoning.

Find the area under the normal curve Between 𝑧 = −2.46 and 𝑧 = 1.55


Suppose the production function of a firm is given as X=0.5L ½ K½ price of labor and capital are given as $5 and $10 respectively, and the firm has cos out lay of$ 600



I. The profit maximizing level of L & K to employ.



II. The MRTSL,K at optimum

1.Ten years ago Diana Torres wrote what has become the leading Tort textbook. She has been receiving royalties based on revenues reported by the publisher. These revenues started at £1,700 in the first year, and grew steadily by 4.9% per year. Her royalty rate is 18% of revenue. Recently, she hired an auditor who discovered that the publisher had been underreporting revenues. The book had actually earned 10% more in revenues than had been reported on her royalty statements. Assuming the publisher pays an interest rate of 4.7% on missed payments, how much money does the publisher owe Diana?



Write a program in Java that ask the user to enter their name, year of birth, and salary. The program must display thier name, age, and salary.

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