1. Write a js program to print day of week name using switch case.

2. Write a js program print total number of days in a month using switch case.

3. Write a js program to check whether an alphabet is vowel or consonant using switch case.

4. Write a js program to find maximum between two numbers using switch case.

5. Write a js program to check whether a number is even or odd using switch case.

6. Write a js program to check whether a number is positive, negative or zero using switch case.

7. Write a js program to find roots of a quadratic equation using switch case.

8. Write a js program to create Simple Calculator using switch case.

9. Write a js program to input any character and check whether it is alphabet, digit or special character.

10. Write a js program to check whether a character is uppercase or lowercase alphabet.

11. Write a js program to input week number and print week day.

12. Write a js program to input month number and print number of days in that month.

13. Write a js program to count total number of notes in given amount.

14. Write a js program to input angles of a triangle and check whether triangle is valid or not.

15. Write a js program to input all sides of a triangle and check whether triangle is valid or not.

16. Write a js program to check whether the triangle is equilateral, isosceles or scalene triangle.

17. Write a js program to find all roots of a quadratic equation.

18. Write a js program to calculate profit or loss.

19. Write a js program to input marks of five subjects Physics, Chemistry, Biology, Mathematics and Computer. Calculate percentage and grade according to following:

Percentage >= 90% : Grade A

Percentage >= 80% : Grade B

Percentage >= 70% : Grade C

Percentage >= 60% : Grade D

Percentage >= 40% : Grade E

Percentage < 40% : Grade F

20. Write a js program to input basic salary of an employee and calculate its Gross salary according to following:

Basic Salary <= 10000 : HRA = 20%, DA = 80%

Basic Salary <= 20000 : HRA = 25%, DA = 90%

Basic Salary > 20000 : HRA = 30%, DA = 95%

21. Write a js program to input electricity unit charges and calculate total electricity bill according to the given condition:

For first 50 units Rs. 0.50/unit

For next 100 units Rs. 0.75/unit

For next 100 units Rs. 1.20/unit

For unit above 250 Rs. 1.50/unit

An additional surcharge of 20% is added to the bill