What month of the year has 28 days?

How many words can a pen with half refill write?

What is the longest word in the dictionary?

Speaking of rivers, a man calls his dog from the opposite side of the river. The dog crosses the river without getting wet, and without using a bridge or boat. How?

I am a five-letter word and people eat me. If you remove the first letter I become an energy form. If you remove the first two letters, I am needed to live. Scramble the last three letters and I am a drink. What word am I?

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

A man hijacks an aeroplane transporting both passengers(8 of them) and valuable cargo. After taking the cargo, the man demands nine parachutes, puts one of them on, and jumps, leaving the other eight behind. Why did he want eight?

Things are just as they seem, right? Well, check again.
Can you count the number of tigers in this picture ?

All of the flowers I have are orchids except two. All of the flowers I have are hibiscuses except two. All of the flowers I have are roses except two.

Can you tell me how many flowers I have?

Eight of us go fourth, not back, to protect our king from an attack. What are we?