In each of the questions, four alternatives are given for the Idiom/Phrase. Choose the alternative which best expresses the meaning of the Idiom/Phrase and click the button corresponding to it.
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What is the SI unit of electric current?
What is the unit of the physical quantity, Illuminance?
Cold air is ______.
The number of neutrons in an atom is equal to the :
Which company developed 'Hack' Programming Language?
Which one of the following films was not directed by Satyajit Ray?
Earth is also known as _______.