What is Black, when Clean and White, when Dirty?
It is Blackboard or Chalkboard which is Black when clean, and as you write on it with white chalk it becomes dirty in White color.
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In the given figure, how many pens are blue?
Which gas is known as "Fuel of Future" ?
Because of its being pollution free and combustion efficient, Hydrogen gas is called fuel of future. Because of its origin in marshy places, Methane is called as 'Marsh Gas'.
Select the synonym of
initiative
Which of the following is the major impact of vedic Culture on Indian History
'AADHAR' is a programme
The four stages of the Deming Cycle are?
Which is not include in the private income arising in a country