What is both possible and impossible at the same time?

If a wheel has 54 spokes, how many spaces are there between the spokes?

Solve below popular number sequence
314 159 265 358 979 323 846 ?

There are three boxes which are labeled as Rs100, Rs150, and Rs200. One box contains two notes of Rs. 50. The second box contains one note of Rs50 and one note of Rs100 The third box contains two Rs. 100 notes. All boxes are labeled incorrectly.

What is the minimum number of boxes you must check in order to label all boxes correctly?

There is a hypothetical state between the USA and Mexico border 'Tango'.
Here 70 percent of the population have defective eyesight, 75 percent are hard of hearing, 80 percent have Nose trouble and 85 percent suffer from allergies, what percentage (at a minimum) suffer from all four ailments?

One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

A man walked into a pub and went straight towards the Barman. He asked for a dirty martini from the Barman. The Barman thought something and then pulled out a pistol from his drawer and aimed it directly at the man. Why did he do that?

I look at you, you look at me, I raise my right, you raise your left. What am I?

What does this Rebus Picture mean?