Which is the largest mosque in India?

The correct answer is A, Jama Masjid, Delhi. The Jama Masjid was built under Shah Jahan in the seventeenth century in red sandstone and white marble, opposite the Red Fort in Shahjahanabad, and its vast courtyard makes it the largest mosque in India. Its formal name is Masjid-i-Jahan Numa.

Option B, the Mecca Masjid in Hyderabad, was begun under the Qutb Shahi rulers and is one of the largest mosques of the Deccan, but not the largest in the country. Option C, the Moti Masjid or Pearl Mosque in the Agra Fort, is a small white marble mosque built for the emperor's court, prized for its finish rather than its size. Option D, the Quwwat-ul-Islam mosque in the Qutub complex at Delhi, is the earliest surviving mosque built by the Delhi Sultanate and stands beside the Qutub Minar, the tallest brick minaret in the world. All four are examinable monuments, so the size test is the point of the question.