There is a brick of gold and a brick of iron in a boat (both 10-inch blocks), if they are both dropped into the water which will make the water level higher?

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.

Spot 5 differences in two Christmas tree below:

The answer I give is yes, but what I mean is no. What was the question?

What do you see in the given picture?

The measurement of time, That can't be found on a clock, But can be looked upon on a map.

Who is He ?

One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

Using eight eights and addition only, can you make 1000?

Identify the 10 differences between the two given pictures.

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

ST ND RD TH '?'