Correct Answer: (b) Nathamuni
Solution:The term Tirthankara is related to Jain Religion . It is known that there were 24 Thirthankara who contributed to Jain religion and who propagated Jain philosophy from time to time. These are - (1) Rishabhnath (2) Ajitnath, (3) Sambhavnath, (4) Abhinandannath, (5) Sumatisnath, (6) Padmaprabha, (7) suparshvanath, (8) Chandraprabha, (9) Suvidhinatha, (10) Shitalanath (11) Shreyanshnath, (12) Vasupujya (13) Vimalnath (14) Anantnath (15) dharmnath (16) Shantinath, (17) Kunthunath, (18) Aranath, (19) Mallinath, (20) Munisuvrata, (21) Naminatha, (22) Arishtnemi, (23) Parshvanath, (24) Mahavira Swami.