studentsPerformance.csv
1. Arithmetic Operators using System; class Program { static void Main() { int a = 10, b = 3; Console.WriteLine("Addition = " + (a + b)); Console.WriteLine("Subtraction = " + (a - b)); Console.WriteLine("Multiplication = " + (a * b)); Console.WriteLine("Division = " + (a / (float)b)); Console.WriteLine("Remainder = " + (a % b)); } } 2. Sum of Digits using System; class Program { static void Main() { int num = 738, sum = 0; while (num > 0) { sum += num % 10; num /= 10; } Console.WriteLine("Sum = " + sum); } } 3....