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

Can you identify the direction in which this bus is moving; left or right?

Hint: The bus is moving on the roads of London.

Krish is 45 years old and his mother Crishtina is 73 years old.

Can you find out how many years ago, his mother was three times his age?

A train full of passengers goes through a tunnel. When the train comes out from the other end, there is no single person on the train.

How did it happen?

Intelligence Agency need to break the vault but the problem is that they are not able to break the vault.

On the vault, a text is written as:

31 11 33 33 43 45
21 25
31 24 11 31 51 41

To Break the code Intelligence Agency brings a mathematician named Joseph.
Minutes later he deciphers the code.

Whats the code?

Why is 6 afraid of 7?

You see me once in June, twice in November, and not at all in May. What am I?

You are given four results as below:
1111 = F
2222 = E
3333 = T
Then, can you find out how to code 4444?

You can see it everyday, But cannot touch it at will. What is it?

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?