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.

An evil man kidnapped someone and made them take one of two pills. One was harmless, but the other was poisonous. Whichever pill the victim took, the kidnapper took the other one. The victim took their pill with water and died. The kidnapper survived. How did the kidnapper get the harmless pill?

Which digit occurred maximum times between the number 1 and 1000?

How many words can a pen with half refill write?

Find the last number in the series below:

voN luJ yaM raM ---

I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

Find the mistake in the below maths equations

A = 2
A(A-1) = 2(A-1)
A2-A = 2A-2
A2-2A = A-2
A(A-2) = A-2
A = 1

A plane crashed between the border of Mexico and America. Where do you bury the survivors?

It has five wheels, though often think four, You cannot use it without that one more, You can put things in it, you can strap things on top, You can't find it in the market, but you can still go shop. What is it?