What is the longest word in the dictionary?

How many times can you subtract the number two from the number fifty?

Spelt forwards I’m what you do every day, spelled backwards I’m something you hate. What am I?

There is one four-digit whole number n, such that the last four digits of n2 are the original number n

On a magical land of Mexico , all the animal in the land are rational.

There are 10 tigers and one goat.
Tiger can eat goat but since it's a magical land , the tiger who eats the goat , turns into goat and then can be eaten by the remaining tiger(s).

If we leave them for some time then how many goat and tiger will be there , when we come back ?

What does this rebus mean?

O
N
C
E
TIME

Who is that with a neck and no head, two arms and no hands? What is it?

The King of a distant land had heard that Birbal was one of the wisest men in the East and so desired to meet Birbal. He sent Birbal an invitation to visit his country.

In due course, Birbal arrived in the distant kingdom. When he entered the palace he was flabbergasted to find not one but six kings seated there. All looked alike. All were dressed in kingly robes. Who was the real king?

The very next moment he got his answer. Confidently, he approached the king and bowed to him.

How did Birbal know who was the real king?

I have lakes with no water, mountains with no stone and cities with no buildings. What am I?

What is at the end of a rainbow?