What is always in front of you but can’t be seen?

Complete the table series riddle by finding the number that can replace "??".

The dirtier I get, the whiter I look. Who am I?

If 21x = 79x, what is the value of x?

Edward James went for tiger hunting.

It was not his lucky day.



He got six tigers without heads, nine tigers without the tail and eight cut in two halves.

How many tiger did he hunted ?

During an experiment, a guy throws a bouncy ball from a 100 feet tall building. The ball has a specific characteristic. Every time it hits the ground, it bounces up halfway.

How many bounces do you think the ball will make before it comes to a stop ?

I shave every day, but my beard stays the same. What am I?

A tourist visits a small town for his research. While in the town, he decides to get a haircut. Since the town is quite small, there are only two barbers in the town � one on the North Street and one on the South Street. The barbershop on the North Street is a mess and the barber has a weird and pathetic haircut. While the barbershop at the South Street is pretty tidy and the barber as well has an impressive haircut.

Which barbershop will the tourist visit for his haircut and why?

Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

Complete the series by replacing "?" with the correct number.

ST ND RD TH '?'