A bomb explodes on the moon. You will hear its sound on earth after _________
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The passenger reservation system of the Indian Railways is designed by
‘Shagun’ is a flagship scheme of which Indian state/UT?
The focal length of a concave mirror with a radius of curvature of 20.0 cm is :
Who introduced Mansabdari system in India?
The northwest ordinance of 1787 provided for the
Saina Nehwal is associated with which sport?
In which year did the Kakori conspiracy case take place?