C Programs

 C Programming for grade 11 and 12 

Write a program which calculates simple interest and amount where
    a) P = Rs. 5000  T = 2.5 Years  R = 5.5%
    b) P,T and R are asked from user

Write a program which find the sum of all digits of a number.

Write a program to reverse a number input by user.

Write a program which calculates percentage obtained by a student if marks obtained by him in 5 subjects are 78,84,52,67,73. 

Write a program to find the unique numbers from an array.

Write a program to arrange the elements of an array in ascending order. 

Write a program to create a file name "student.dat" to store the records of students regarding their name, roll number age and percentage as per user's wish. 

Write a program to read all the records from the file "student.dat" and display the records.