How many Tirthankaras are there in the Jain religious tradition?

Who was the first Tirthankara of Jain religion?

Who was the last one in the order of Jain Tirthankaras?

Who is regarded as the 24th and last Tirthankara in Jainism?

The salvation place of Mahavirji, the originator of Jain religion, is located at -:

The Adi Purana is the hagiography of which Tirthankara?