Ashok wants to book a ticket to Madurai He Starts and covers 5 kms to reach the Booking Office which is in the East of His house From there he turns to the North towards the market by travelling 3 kms. From there he turns left to his friend Sandeep's house which is 5 kms away Now he has to get back to his house How many kms, he has to cover to reach his house?