What has to be broken before you can use it?

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

How many times can you subtract the number 5 from 25?

I am a normal creature, but I have five hands. I can even have more but even then I will be considered normal.

Who am I?

Twenty frogs are sitting on a log floating on the surface of a river. Two of them decide to jump off into the water.

How many frogs are there on the log at this moment?

The first two letters signify a male, the first three letters signify a female, the first four letters signify a great, while the entire world signifies a great woman. What is the word?

Which point will the car reach to go out?

I am white when I am dirty, and black when I am clean. What am I?

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?

I am a type of vehicle that has two wheels and is powered by humans. What am I?
Hint 1: You can ride me for exercise.
Hint 2: I am environment-friendly.