Before Mount Everest was discovered, what was the highest mountain in the world?

1 rabbit saw 9 elephants while going to the river. Every elephant saw 3 monkeys going toward the river. Each monkey had 1 parrot in each hand. How many animals are going towards the river?

A person was found dead on a big green land with no trees or buildings around. When the police arrived, they found a piece of rock lying next to him and the man was wearing clothes comprising of red, blue and yellow colours.

Can you tell who the person is and what was the cause of death?

When I go in I might cause pain. I cause you to spit and ask you not to swallow. I can fill your hole. What am I?

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

Give it food and it will live; give it water and it will die.

What has to be broken before you can use it?

In four steps you need to move the word 'cold' From 'warm' by replacing one alphabet at a time such that every word formed at each step is acceptable in English Dictionary.

What you cannot hold but it is yours?

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?