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 ?

There’s a one-story house in which everything is yellow. Yellow walls, yellow doors, yellow furniture. What colour are the stairs?

Replace all '*' with digits 1, 2, 3, 4, 5 and 6 to make below statement true.

* *
x *
=====
* * *

On a bright sunny day, two fathers took their son fishing in the lake. Each man and son were able to catch one fish. When they returned to their camp, there were only three fishes in the basket. What happened?

PS: None of the fish were eaten, lost, or thrown back.

If eleven plus two equals one, what does nine plus five equal?

In the picture given below, can you find out which digit will take place of the question mark?

You and your two friends are working in a multinational company. How can you three find out the average salary of you all without disclosing your own salary to the other two?

In a university, a professor gave a set of three problems to the three brilliant students of his class. See the image for the questions.

Can it be possible to build a house that has all its four walls facing towards the South?

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?