When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

10+10 and 11+11 can give you the same answer.

Explain how?

There are 3 apples in the basket and you take away 2. How many apples do you have now?

Can you find out the total number of triangles in the given figure?

Why 1729 is a magic number? Answer Logically.

Spelt forwards I’m what you do every day, spelled backwards I’m something you hate. What am I?

Two friends decide to get together; so they start riding bikes towards each other. They plan to meet halfway. Each is riding at 6 MPH. They live 36 miles apart. One of them has a pet carrier pigeon and it starts flying the instant the friends start traveling. The pigeon flies back and forth at 18 MPH between the 2 friends until the friends meet.

How many miles does the pigeon travel?

All of Jacob's shoes are red except two.
All of Jacob's shoes are green except two.
All of Jacob's shoes are yellow except two.

How many shoes does Jacob have?

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.

What is the word or phrase?