Which country topped the list on "World Happiness Index", 2015 published by the sustainable Development Solutions Network (SDSN)?
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Name the metal that can be easily cut with a knife:
Which of the following is not a vector quantity?
Convex and concave mirrors are examples of?
Kelvin (K) is the unit of measurement of ________.
Houses of Indian Parliament are prorogued by whom?
The President of India can be impeached by ?
Marble is a metamorphic rock of _______.