The correct options are
A The British abolished the post of the Peshwa.
C Pratap Simha was made the ruler of Satara.
After the defeat of the Marathas in the Third Anglo-Maratha War, the British abolished the Peshwa post. They granted a pension to Baji Rao II and installed Pratapa Simha, the descendant of Shivaji, as the ruler of Satara.