The ________ at Mehrauli near Delhi is evidence of the advanced knowledge of metallurgy of ancient Indians.
A
bronze pillar
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B
iron pillar
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C
gold pillar
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D
steel pillar
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Solution
The correct option is B iron pillar The iron pillar at Mehrauli near Delhi is evidence of the advanced knowledge of metallurgy of the ancient Indians. The iron pillar is around 23 feet tall with a 16-inch diameter. It is famous because of its resistance to rust over hundreds of years.