Which of the following statements about Sir Syed Ahmad Khan is/are correct? 1. He argued that India was a federation of ethnic communities based on common descent. 2. His philosophy was very similar to that of the Indian National Congress. 3. He imagined India as a Nation State based on individual citizen's rights. 4. The curriculum at the Mohammedan Anglo-Oriental College blended Muslim theology and European empiricism. Select the correct answer using the code given below.