A boy and a girl are sitting on the porch.
"I'm a boy," says the child with black hair.
"I'm a girl," says the child with red hair.
If at least one of them is lying, who is which?

Why is a river so rich ?

Two guards were on duty outside a barracks. One faced up the road to watch for anyone approaching from the North. The other looked down the road to see if anyone approached from the South. Suddenly one of them said to the other, "Why are you smiling?"

How did he know his companion was smiling?

I’m orange, I wear a green hat and I sound like a parrot. What am I?

Can you find the missing piece of the Porsche?

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

Replace the question mark with the correct number in below Picture:

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

Can you find the thief by just looking at the picture below?

A journalist was investigating a sacred cult in the jungles of Africa when he was caught by one of the person. He was confined in a cave till the leader arrived. The leader told him that he need to tell him a statement. If he thinks the statement is true, then the journalist head will be chopped off. If he thinks that the statement is false, his head will be smashed with a hammer.

What statement did the journalist make to survive?