Maths
Who is the Father of Mathematics?
Archimedes
Who introduced Regional geography approach?
Karl Ritter
Brass gets discoloured in air because of the presence of which gases in air?
Hydrogen sulphide
When is Pi Day celebrated around the world?
March 14
One Nautical Mile is equivalent to how many meters?
1852
Which metal forms an amalgam with other metals?
Mercury
Who discovered the Symbol Infinity “∞”?
John Wallis
Which river crosses equator twice?
Congo
Which element is common to all acids?
Hydrogen