2 ladies and 2 girls need to cross a river in a boat big enough for 1 LADY or 2 girls. How do they do it?

I am a type of food that is often found in the fridge and can be white in colour. What I am?
Hint 1: I am a dairy product.
Hint 2: You can spread me on the bread.

Which is Odd One Out and why?

4377

3954

9862

8454

9831

If you're 8 feet away from a door and with each move you advance half the distance to the door. How many moves will it take to reach the door?

Count the number of triangles in the picture below:

You are given with the following sum. Each of the letters can be decoded as a digit. If we tell you that D = 5, then can you solve it entirely?

DONALD
+GERALD
=ROBERT

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

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

Who is He ?

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.

A man is looking at a photograph of someone. His friend asks who it is. The man replies, “Brothers and sisters, I have none. But that man’s father is my father’s son.” Who was in the photograph?