There are people and strange monkeys on this island, and you can not tell who is who (Edit: until you understand what they said - see below). They speak either only the truth or only lies.
Who are the following two guys?
A: B is a lying monkey. I am human.
B: A is telling the truth.

Which five letter word can be added at the end of below word to form a
valid word?

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Rob is taller than Edwin, and Jurgen is shorter than Rob.
Of only one of the following statements, we now certainly know it is correct:

A.Edwin is taller than Jurgen
B.Jurgen is taller than Edwin
C.It cannot be determined if Jurgen or Edwin is the tallest.

Give it food and it will live; give it water and it will die.

Complete the series by replacing "?" with the correct number.

ST ND RD TH '?'

Can anyone tell me a word in the English dictionary which has a silent 'z'?

Can you find a number that lies one third of the distance between 1/3 and 2/3?

There is a box full of marbles,
all but two are blue,
all but two are green,
and all but two are red.

How many marbles are in the box?

Imagine you are in a room with no windows or doors. How will you get out?

Which Burger Is Different in below image?