Practice CSS questions with answers and explanations.
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Dhul-Hijjah is the twelfth Islamic month.
The main rites of Hajj occur during it.
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The Latinized form of Al-Khwarizmi's name influenced the word algorithm.
He also made major contributions to algebra.
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The Islamic calendar contains twelve lunar months.
Its year is shorter than the solar year.
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Ibn al-Haytham developed experimental approaches to vision and light.
His Book of Optics became highly influential.
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Islamic teaching identifies four sacred months.
They are Muharram, Rajab, Dhul-Qa'dah, and Dhul-Hijjah.
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Al-Biruni studied Indian religion, science, geography, and society.
His work showed careful comparative observation.
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Shawwal is the tenth month of the Islamic calendar.
Eid al-Fitr occurs on its first day.
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Ibn Khaldun wrote the Muqaddimah as an introduction to his history.
It analyzes society, state formation, and historical change.
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Ibn Hisham's Sirah is one of the best-known early biographies of the Prophet.
It preserves edited material from Ibn Ishaq's earlier work.
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Ibn Battuta traveled widely across Africa, Asia, and Europe.
His journeys were recorded in the Rihlah.
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Abu Yusuf wrote Kitab al-Kharaj for the Abbasid caliph Harun al-Rashid.
The work discusses taxation, land revenue, and public justice.
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Al-Idrisi produced a major geographical work and map.
He worked at the court of Roger II in Sicily.
