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?

2, 3, 5, 9, 17, _ What is the next number in the sequence?

If in a code language, DISTANCE is written as IDTUBECN and DOCUMENT is written as ODDVNTNE, the how will THURSDAY be coded as in the same language?

On a beautiful Sunday morning, You ordered a hot tea to your hotel room and suddenly you remember an important thing that needed to be done right now will take around 3 minutes to complete.
Like most people you like your tea to be hot while drinking so, when should you pour cream in the tea?
1. straight away
2. Just people, you drink the team
3. Its does not matter

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

using four eights (8) and a one (1) and one mathematical symbol , create the number 100

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

What has 88 keys?

By using 'because' continuously three times, can you make an English statement ?