What is in seasons, seconds, centuries and minutes but not in decades, years or days?

If,

20 % 5 = 24

21 % 7 = 33

42 % 6 = 67

Then;

66 % 6 = ?

When I go in I might cause pain. I cause you to spit and ask you not to swallow. I can fill your hole. What am I?

what's the probability of getting a king or a queen from a pack of 52 cards?

There were five men at church, and it started raining while they were outside. The four that ran still got wet, but the one that was still stayed completely dry. Why did he stay dry?

You can see it everyday, But cannot touch it at will. What is it?

Why are all black people so quick ?

A convention is held where all the big logicians are summoned. The master places a band on everyone's forehead. Now all of them can see others bands but can't see his own. Then they are told that there are different colours of bands. All the logicians sit in circle and they are further explained that a bell will ring at regular intervals. The moment when a logician knew the colour of band on his forehead, he will leave at the next bell. If anyone leaves at the wrong bell, he will be disqualified.

The master assures the logicians that the puzzle will not be impossible for anyone of them. How will the logicians manage ?

Can you solve below mathematical equation?

2^1234 - 2^1233

If an electric train is travelling south, then which way is the smoke going?