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?

There’s a one-story house in which everything is yellow. Yellow walls, yellow doors, yellow furniture. What colour are the stairs?

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

It is raining today at 11:59 am. What is the probability of sunny weather after 72 hours?

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

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

John is asked to stand behind Jacob and Jacob is asked to stand behind John. Both of them feel confused about it and don't know what to do?

But it is quite possible, do you know how?

How many bricks does it take to complete a building that is 15 feet wide, 30 feet deep, and 12 feet tall made of brick?

If all Goats are Sheep and all Sheep are Deers, are all Deers Goats ?

No one wants to have it, but if one got it, he does not want to lose it. What is It?