"That Restaurant always remains crowded. This is the reason why nobody goes there".

Can you find a flaw in this statement?

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?

A man is looking at a photograph of someone. His friend asks who it is. The man replies, “Brothers and sisters, I have none. But that man’s father is my father’s son.” Who was in the photograph?

I am under you when I am whole.
I shift above you if you remove the first letter.
I come all around you if you remove the second as well.

Can you tell me who I am?

Considering the below equation:

V + II - VI = 10
IV - X + VIII = 20
IV - VII + VI = 30

Then, I + II + III = ?

Which number should replace the question mark?

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

There is a wide field of corn. A goose finds its way into the field and starts running. Can you find out till which point the goose can run into the field?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

Today, I celebrated my 32nd birthday but I was born in 1972.
How is this possible?