Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

He loves to dance, twist and prance, he shakes his tail, and as a way he sails, wingless he flies into the sky. What is he?

How many words can a pen with half refill write?

They do not possess flesh or feathers or scales or bone
But still, they are blessed with fingers and thumbs of their own.

You stand in front of two doors. A guard stands next to each door. You know the following things: one path leads to paradise, the other leads to death. You cannot distinguish between the two doors. You also know that one of the two guards always tells the truth and the other always lies. You have permission to ask one guard one question to discover which door leads to paradise. What one question would you ask to guarantee you enter the door to paradise?

For this puzzle, you might have to find logic in something illogical. But hey, it's fun and a healthy little break from your strenuous puzzle-solving sessions.

Can you decipher the meaning in the following cluster of letters?

ITIT,NCENTCENT

If a wheel has 54 spokes, how many spaces are there between the spokes?

What breaks yet never falls, and what falls yet never breaks?

I am a three digit number.
My tens digit is five more than my ones digit.
My hundreds digit is eight less than my tens digit.
What number am I?

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.