Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

Find the missing letter in the last circle logically in the given below picture.

I have four wings but can't fly.
I express no emotions.
I am found on the exact spot every time you look.
I keep toiling away with a little sound.

Do you know what am I?

A girl was standing near the window thinking something. All of a sudden she decides something and throws something out of the window. She dies very soon after throwing it. She was perfectly healthy and had no disease or allergy. No one killed her and she did not commit suicide.

Can you think of any possible explanation that is logical as well for what happened there?

The peacock is a bird that does not lay eggs. How do they get baby peacocks?

I have a head like a cat and feet like a cat, but I am not a cat. What am I?

What work can one never finish?

Why 1729 is a magic number? Answer Logically.

"That Restaurant always remains crowded. This is the reason why nobody goes there".

Can you find a flaw in this statement?

Can you find out the remainder when 3^300 is divided by 5?