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.

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

If I put in one bird per cage, I have one bird too many. If I put in two bird per cage, I have one cage too many. How many cages and birds do I have?

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

What is the end of everything?

I have branches, but no fruit, trunk or leaves. What am I?

Can you find out which number multiplied by itself will give the output as 12345678987654321?

Which flower has two lips?

A Child was born in Lahore, Pakistan. Still, the child is not a Pakistani citizen. why?

Find The Next Number In The Sequence

30 10 15 13 0 16 -15 ?