The centre of the third figure is empty. What digit should fit inside?

What does this mathematical rebus means ?

A plane crashed between the border of Mexico and America. Where do you bury the survivors?

What Time Should the last watch show in the below figure?

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

Spot 5 differences in two Christmas tree below:

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

Which word is least like the others? Third, fourth, fifth, sixth, seventh, eighth, ninth?

When I asked a girl's name she told me her name is the date '07/09/2001'.

I thought for a few seconds and then I got her name. Do you?

During which month do people sleep the least?