Iron pillar near the Qutub Minar in Delhi is famous for the following facts. Which of these facts is responsible for its long stability?

1. It is more than 7 metres high.
2. It weighs about 6000 kg.
3. It was built more than 1600 years ago.
4. It has not rusted after such a long period.

Correct answer: (d) It has not rusted after such a long period.

Explanation:  Iron pillar near Qutub Minar in Delhi is famous for its stability because it has not rusted over a long period.

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Updated on: 01-Feb-2023

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