The book "Azad Bachpan ki Aur" is written by which author?
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Which among the following determines the pitch of a sound?
The side mirrors of vehicles are of which type of mirrors?
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.
The color with the longest wavelength is
Each color has a different wavelength.
Red has the longest wavelength and violet has the shortest wavelength.
What was the real name of Gautam Buddha?
Where is the commercial capital of Sri Lanka?
Which of the following constitutional Amendment Act, deals with the Elementary Education as a Fundamental Right?