What is both possible and impossible at the same time?

Can you count the number of triangles in the given picture?

Distances from you to certain cities are written below.

BERLIN 200 miles

PARIS 300 miles

ROME 400 milesAMSTERDAM 300 miles

CARDIFF ??? miles

How far should it be to Cardiff ?

You walk into a room where there are three primates held in their respective cages:
1) A lion who is eating the flesh of a goat.
2) An orangutan who is playing with blocks.
3) A donkey who is sitting idle.

Who is the most intelligent primate in the room?

How many Watermelons are there in the below picture?

Astrology starts with the alphabet A, Biology starts with B, Psychology with P and Limnology with L.

Can you find an "ology" that begins with a P?

A quarter is one-fourth of a dollar but Mr. John has changed the equation as below :

DOLLAR * 4 = QUARTER

Can you replace each letter with a digit to make the above solution correct?

Why do we preferably have round manhole covers and not square ones?

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?

The picture shows the dice results in each couple of throws. If they are actually following a pattern, can you find out the missing one?