Can you name an animal whose killing cannot be performed without spilling your own blood?

A red house is made out of red bricks. A yellow house is made out of yellow bricks. And, a blue house is made out of blue bricks. So, what is a greenhouse made of?

I am a type of room you cannot enter or leave. Raised from the ground below, I could be poisonous or a delicious treat. What am I?

You are a thief and you are being punished for your crime. People have tied your head down on a tree with a rope that has been anchored in the ground. A candle is burning below the rope which is slowly burning it away. Just below your head, a Lion has been left loose and is waiting for you to drop down on the ground so he can have you as his lunch.

You have to survive the scenario. How will you do it?

There are forty elephants and they have forty-fore heads. How can this be possible?

First, think of the colour of clouds. Next think the colour of snow. Last, think of the colour of the moon. Now, what do cows drink?

Which city is three-fifths chick two third cat and 50% goat?

Through your logical capabilities, can you make 7 an even?

Buy me, smell me or deliver me, I do not change.

Who am I?

If 24H in a D => 24 hours in a day.
What does "64S on CB" stand for?