Provide one word substitution for the following expression.
 'One who does not make mistakes.'

G is the centroid of a triangle ABC, and the median is AD, the ratio of AD and GA is

The UK government has banned the export of which model of Robert Clive, the top officer of the East India Company?

Who has been appointed head of the US Defense Headquarters Pentagon?

Which of the following countries has banned the import of cotton and tomato produced in Xinjiang province of China?

Who among the following was the founder of Lodi dynasty?

In which state is Jawahar Tunnel, India's largest tunnel?

Which student of Jamia has secured first position in Asian-India International Hackathon 2021?