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Practice question on decision control (if, if-else)

 C Programs based on decision control (if and else):-

1.Write a C program to find maximum between two numbers.

2.Write a C program to find maximum between three numbers. Solution

3.Write a C program to check whether a number is negative, positive or zero.

Solution

4.Write a C program to check whether a number is divisible by 5 and 11 or not.

5.Write a C program to check whether a number is even or odd.

Solution

6.Write a C program to check whether a year is leap year or not.

7.Write a C program to check whether a character is alphabet or not.

8.Write a C program to input any alphabet and check whether it is vowel or consonant.

Solution

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


 

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

Solution

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

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

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

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

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

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

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

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

19.Write a C 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 C 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 C 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


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