Q. Consider the following pairs regarding the centers of the Revolt of 1857 and their respective leaders:

1. Delhi - Bakht Khan
2. Kanpur - Nana Saheb
3. Lucknow - Begum Hazrat Mahal
4. Bareilly - Khan Bahadur

Which of the above pairs are correctly matched?
Answer: 1, 2, 3 and 4
Notes: The major centers of the Revolt of 1857 and their leaders are Delhi - Bakht Khan, Kanpur - Nana Saheb, Lucknow - Begum Hazrat Mahal, and Bareilly - Khan Bahadur. All four pairs are correctly matched as per historical records of leadership during the uprising, reflecting coordinated regional resistance.