Which flower has two lips?

I am white when I am dirty, and black when I am clean. What am I?

What time is it when an elephant sits on a fence?

A man is trapped in a room. The room has only two possible exits doors. Through the first door there is a room constructed from magnifying glass. The blazing hot sun instantly fries anything or anyone that enters. Through the second door there is a fire-breathing dragon. How does the man escape?

In the four images below, can you find the odd one out?

Can you make a fire with just a single stick?

Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

The following four words might seem abrupt to you. But you can make them meaningful by just adding vowels.
RDSH
GGPLNT
TMT
NN

Hint: All of them are vegetables.

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?