A data file "MARKS.DAT" contains some records with students' names, class,es and marks in 3 subjects. Calculate total and average. Count the number of records passed and failed where Condition pass is average >= 40.
A data file "EXAM.DAT" has some records with student's names, classes, and marks in 3 subjects. Calculate total marks and average marks.
A data file "EXAM.DAT" has 1000 records with student's names, classes, and marks in 3 subjects. Calculate total marks and average marks and print all those records where average > 60.
A data file "EXAM.DAT" has 20 records with students' names, classes, and marks in 3 subjects. Calculate total marks and average marks and print all the information.
A data file "CLASS.DAT" has 20 records with students' names, classes, roll no, and sections. Print all the records.
A data file "CLASS.DAT" has a record with students' names, classes, roll no, and sections. Print the record.
A sequential data file "CLASS.DAT" has students' names, classes, roll no, and sections. Now add records in the data file based on the user's choice.
A sequential data file "CLASS.DAT" has students' names, classes, roll no, and sections. Now add "N" number of records.
A sequential data file "CLASS.DAT" has students' names, classes, roll no, and sections. Now add 10 records.
A sequential data file "CLASS.DAT" has students name, class, roll no and section. Now add a record.
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