A few friends are enjoying their sea voyage in a boat full of apples. On the way, they felt hungry and thus decided to eat the apples. Together, they ate two dozen of apples. When they have eaten the apples, will there be any change in the water level?

Can you name some countries which do not have the alphabet 'A' in them?

Eight of us go fourth, not back, to protect our king from an attack. What are we?

Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

Can you find the next number in the below sequence
3 , 7 , 10 , 11 , 12 , 17 ?

What number comes next in the series?

5 15 5 18 5 24 14 20 _

Can you make the number 24 by utilizing the numbers 1, 3, 4 and 6? You must use one number only one time and you can use mathematical operation symbols anytime anywhere.

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.

I am taken from a mine and shut up in a wooden case, from which I am never released, and yet I am used by almost every person. What am I?

The two towns are exactly 100 km apart. John leaves City A driving at 30 km/hr and Jacob leaves City B half an hour later driving at 60 km/hr. Who will be closer to City A when they meet?