The second most senior office in the country is of _____ .
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Which among the following determines the pitch of a sound?
A Sonar of a ship sends sounds waves of speed 1600 m/s. These waves are reflected back by the ocean floor in 4 seconds. Find the depth (in m) of the ocean floor.
Under universal adult franchise, people of what age have the right to vote, irrespective of their social or economic backgrounds?
Which country will host the 9th BRICS Summit in the year 2017?
Officially what is the conventional long name of Sri Lanka?
Which industrial revolution can be called the Digital Revolution?
'Parsec' is the unit measurement of