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 bomb exploded in a room full of married couples and no one died. How?

What is the next number?

77, 49, 36, 18 ?

What four weights can be used to balance from 1 to 30 pounds?

Can you replace the question mark with the correct number in the below table sequence?

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

Prove that the below maths equation is true.

8 + 8 = 91

There are a number of books on a shelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?

If a boy blows 18 bubbles,
Then pops 6 eats 7 and then
He pops 5 and blows 1.
How many are left?

I am a word that begins with the letter “i.” If you add the letter “a” to me, I become a new word with a different meaning, but that sounds exactly the same. What word am I?