using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Please enter your name.");

        string name = Console.ReadLine();

        int score = 0;

        Console.WriteLine("Question #1: How many continents are there on Earth?");

        Console.WriteLine("1: 5");

        Console.WriteLine("2: 7");

        Console.WriteLine("3: 6");

        Console.WriteLine("4: 2");

        string ans1 = Console.ReadLine();

        switch (ans1)

        {

            case "1":

                Console.WriteLine("Your Answer is incorrect");

                break;

            case "2":

                Console.WriteLine("Your answer is correct.");

                score = score + 1;

                break;

            case "3":

                Console.WriteLine("Your Answer is incorrect");

                break;

            case "4":

                Console.WriteLine("Your Answer is incorrect");

                break;

            default:

                Console.WriteLine("Your answer is invalid");

                break;

        }

​

        Console.ReadLine();

        Console.Clear();

        Console.WriteLine("Question #2: Which planet in our solar system is closest to the sun?");

        Console.WriteLine("1: Venus");

        Console.WriteLine("2: Earth");

        Console.WriteLine("3: Jupiter");

        Console.WriteLine("4: Mercury");

        string ans2 = Console.ReadLine();

        switch (ans2)

        {

            case "1":

                Console.WriteLine("Your answer is incorrect.");

                score = score + 1;

                break;

            case "2":

                Console.WriteLine("Your Answer is incorrect");

                break;

            case "3":

                Console.WriteLine("Your Answer is incorrect");

                break;

            case "4":

                Console.WriteLine("Your Answer is incorrect");

                break;

            default:

                Console.WriteLine("Your answer is invalid");

                break;

        }

​

        Console.ReadLine();

        Console.Clear();

        Console.WriteLine("Congratulations " + name + ". You scored " + score + " out of 2 correctly.");

    }

}