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Zeller’s congruence is an algorithm developed by Christian Zeller to calculate the day of the week. The formula is


h is the day of the week (0: Saturday, 1: Sunday, 2: Monday, 3: Tuesday, 4: Wednesday, 5: Thursday, 6: Friday).

q is the day of the month.

m is the month (3: March, 4: April, ..., 12: December). January and February are counted as months 13 and 14 of the previous year.

j is the century (i.e., ⌊year/100⌋).

k is the year of the century (i.e., year % 100).


Write a program that prompts the user to enter a year, month, and day of the month, and then it displays the name of the day of the week. Sample runs of program are given below:



For example, if the given seconds are 200. As 200 seconds is equal to 3 minutes and 20 seconds, and days, hours are zero, so ignore the days and hours. So the output should be "3 Minutes 20 Seconds


float x = 4.3, y = 9.2;

bool a = false;

1. ((x < 5) && (y < 10))

2. !((x < 5) && (y < 10))

3. ( !(x < 5) || !(y < 10))

4. (x >= 5) || (y >= 10))

5. !((x >= 5) || (y >= 10))

6. ( !(x >= 5) && !(y >= 10))

7. ((x < 5) && (y > 10))

8. ((x < 5) || !(y < 10))

9. !((x >= 5) && (y != 10))

10. !a && !(y >= 10))


EXP CURRENT VALUE OF x

1. x = 36; __________________

2. x += 13; __________________

3. x = x - 23; __________________

4. x -= 32; __________________

5. x++; __________________

6. x -= 2; __________________

7. x--; __________________

8. x = x + 6; __________________

9. x += 17; __________________

10. x -= 4; __________________


Rahul created a file and he saved some points from his notes to that file but while saving the points he added some n characters as hints at the end. Now he wants to create a new file in which he wants to copy that hints from file 1 to a new file so he can use that new file for exam preparation.

Write a program to complete the Rahul's task.


There is a secret organization and they want to create a secret language for the calculation to make the data secure. Now the manager of the organization asked his IT employee to make the program which will

function as follows:

a) + will subtract the numbers

b) - will divide the numbers

c) * will add the numbers

d) / will multiply the numbers


Rahul created a file and he saved some points from his notes to that file but while saving the points he added some n characters as hints at the end. Now he wants to create a new file in which he wants to copy that hints from file to a new file so he can use that new file for exam preparation. Write a program to complete the Rahul's task.


Make a C++ program that will print the output on the screen using do while loop. (NOTE: There are no spaces in between rows)


Make a C++ program that will print the output on the screen using do while loop


Make a C++ program that will print the output on the screen using do while loop. (NOTE: There are no spaces in between rows)


Make a C++ program that will print the output on the screen using do while loop. (NOTE: There are no spaces in between rows)

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