Can you name some countries which do not have the alphabet 'A' in them?

Do you know of a place where the wind blows south and then suddenly shifts direction towards the north?

Can you tell a 3D object that has just two surfaces?

What two things can you never eat for breakfast?

A man is found unconscious in front of a store at two in the morning. His head is bleeding and there’s a brick laying next to him. When the police arrive, they carry the man to jail. Why did they arrest him?

What is the next number in the series?

15 29 56 108 208 ?

Rectify the following equality 101 - 102 = 1 by moving just one digit.

Can you solve this tricky maths equation problem by replacing it? mark with the correct symbol?

19834 -----: 187
15921 -----: 153
17561 -----: 139
13734 -----: ???

Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?

It's a 7-letter word.
If we remove 1 letter from it, it remains the same.
If we remove 2 letters from it, it remains the same.
If we remove 3 letters from it, it remains the same.
If we remove all the letters from it, still it remains the same.
What is it?