Q 01/05

What is the chemical symbol for gold?

A) Cu

B) Ag

C) Fe

D) Au

Answer · why

D) Au

Au comes from aurum, Latin for gold, yet an Olympic gold medal today must be at least 92.5% silver, with only about 6 grams of gold.

Q 02/05

Which is the longest river in South America?

A) Amazon River

B) Magdalena River

C) Paraná River

D) Orinoco River

Answer · why

A) Amazon River

The Amazon River pushes so much fresh water into the ocean that explorer Vicente Yáñez Pinzón named it Santa María de la Mar Dulce, the 'fresh-water s...

Q 03/05

Which Paris landmark did a crowd storm on 14 July?

A) Tuileries Palace

B) Bastille

C) Conciergerie

D) Palais-Royal

Answer · why

B) Bastille

The Bastille held only seven prisoners, but the crowd came for its gunpowder, and within months the building had been demolished.

Q 04/05

Who wrote the dystopian novel '1984'?

A) Ray Bradbury

B) Aldous Huxley

C) George Orwell

D) H.G. Wells

Answer · why

C) George Orwell

George Orwell's dystopian novel 'Nineteen Eighty-Four' popularized terms like 'Big Brother' and 'Thought Police,' serving as a warning against totalit...

Q 05/05

Mixing red and green light, as screens do, makes which colour?

A) Magenta

B) Yellow

C) Cyan

D) Blue

Answer · why

B) Yellow

Yellow: most screens have no yellow elements at all, so the yellow you see on one is red and green lights glowing side by side.