Can you find out what is missing?

1 3 5
2 4 ?

Hint: It's not six. Think out of the box.

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?

John killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

Three people enter a room and have a green or blue hat placed on their heads. They cannot see their own hat but can see the other hats.
The colour of each hat is purely random. They could all be green, blue, or any combination of green and blue.
They need to guess their own hat colour by writing it on a piece of paper, or they can write 'pass'.
They cannot communicate with each other in any way once the game starts. But they can have a strategy meeting before the game.
If at least one of them guesses correctly they win $10,000 each, but if anyone guesses incorrectly they all get nothing.
What is the best strategy?

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

Akbar summoned Birbal out of anger.
He told him that he will have to face death.
He asked him to make a statement and if the statement is true he will be buried alive and if the statement is false, he will be thrown at lions.
After hearing Birbal’s statement, Akbar could do nothing but smile.
He gave him 5 gold bars and let him go.

What did Birbal say?

Take away my first letter, then take away my second letter. Then take away the rest of my letters, yet I remain the same. What am I?

How can you write nineteen in a manner that if we take out one, it becomes twenty?

I have eight fingers and two thumbs but I do not live. What Am I?

There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?