Which is the world’s oldest rock fort?
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Kalicut
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Bhuvaneshwar
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Tiruchirapalli
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Trivandrum
C
Correct answer
Explanation
Tiruchirapalli (Trichy) in Tamil Nadu is home to the Rock Fort, which is considered one of the oldest rock forts in the world. The fort is built on a 273-foot high rock that is approximately 3.8 billion years old, making it one of the oldest formations used for fortification.