What is both possible and impossible at the same time?

Only one colour, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?

In this image, you can see three almost identical Doraemon images. Can you spot the odd one out from them?

I am first found in caves, now prolific online; I am a depiction, a drawing, a symbol, or sign. I will convey whichever mood you could wish; or for that matter, a fist, flask, or fish. What am I?

A word I know has six letters it contains, remove one letter and 12 remain. What is it?

What can you deduce from the following BrainBat?

CRY
LMKI

Imagine a box with two cogwheels, one big with 24 teeth and one small with 8 teeth. The big one is firmly attached to the center of the box which means it does not turn or move while the small one rotates around the big one.

How many times do you think that the smaller wheel will turn compared to the box when it turns once around the big one?

A man in a car saw a Golden Door, Silver Door and a Bronze Door. What door did he open first?

Why is the longest human nose just 11 inches?

What does this rebus riddle means ?