I am lying and I always lie. Tell me whether I am lying or telling the truth.

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?

In The Image Below Which clock is the odd one out?

You have a roll of cloth 1km long. You have a machine which cuts this roll into pieces of 10-meter-long cloth.

How long would it take for the machine to cut the roll if each cut took 4 secs?

In a university, a professor gave a set of three problems to the three brilliant students of his class. See the image for the questions.

What is so fragile that saying its name breaks it?

What kind of band never plays music?

A woman shoots her husband.

Then she holds him under water for over 5 minutes.

Finally, she hangs him.

But 5 minutes later they both go out together and enjoy a wonderful dinner together.

How can this be?

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

What famous saying does this rebus mean?

COME SERVED <---
COME SERVED
COME SERVED
COME SERVED
COME SERVED