I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

What is the end of everything?

I am the beginning of everything, the end of everywhere. I'm the beginning of eternity, the end of time and space. What am I?

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?

The day after tomorrow will be three days before Tuesday. Can you find out what is today?

Which wheel of car does not rotate when you turn your car right?

Can you find the hidden animal in the picture below?

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

In the Mexico City area, there are two Houses H1 and H2. Both H1 and H2 have two children each.
In House H1, The boy plays for Mexico Youth academy and the other child plays baseball.
In House H2, The boy Plays soccer for his school in Mexico and they recently have a newborn.

Can you prove that the probability of House-H1 having a girl child is more than that of House-H2?

Some friends went on a vacation to a resort. It was raining heavily and it kept raining for thirteen days.

When it rained in the morning, the afternoon was beautiful and when it rained in the afternoon, the day was blessed with a clear morning.

Overall, the friends experienced eleven nice mornings and twelve nice afternoons. Can you find out the number of days they spent on vacation?