How many words can a pen with half refill write?

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

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?

Which wheel of car does not rotate when you turn your car right?

A boy was at a carnival and went to a booth where a man said to the boy, "If I write your exact weight on this piece of paper then you have to give me $50, but if I cannot, I will pay you $50." The boy looked around and saw no scale so he agrees, thinking no matter what the carny writes he'll just say he weighs more or less. In the end the boy ended up paying the man $50. How did the man win the bet?

Who can jump higher than a Mountain?

Why is Saturday stronger than Monday?

What does the below mathematical rebus mean?

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

This puzzle is for Harry Potter fans. Do you know why Tom Riddle is called Lord Voldemort?