Karan and Arjun run a 100-metre race, where Karan beats Arjun by 10 metres. To do a favour to Arjun, Karan starts 10 metre. To do a favour to Arjun, Karan starts 10 metre behind the starting line in a second 100 metre race. They both run at their earlier speeds. Which of the following is true in connection with the second race?

1. Karan and Arjun reach the finishing line simultaneously

2. Arjun beats Karan by 1 metre

3. Arjun beats Karan by 11 metres

4. Karan beats Arjun by 1 metre