In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.
A small, nonrigid airship or dirigible, especially one used chiefly for observation.
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In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.
Pull the plug
Who discovered electricity and invented the lightning rod and bifocals?
Which is not an external storage device?
The __________ uses an addressing scheme known as URL to indicate the location of files on the web.
The modern periodic table consists of 18 groups and 7 periods. What is the atomic number of the element placed in the 3rd group and the 4th period?
The tropical region has generally a hot climate because of its location around the___________.
The longitudes of main land of India extends between __________.