Why are all black people so quick ?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

Find The Next Number In The Sequence

30 10 15 13 0 16 -15 ?

You can hear me, but you can't touch or see me.

What am I?

A spy was in Canada trying to steal insider information on how to set up new Maple Syrup factories in their country. He was introduced to the operations manager of the biggest factory in Canada. However, the manager was suspicious and decided to test him with a question before he trusted him. So he asked, “What would you be sure to find in the middle of Toronto?” The spy thought fast and came up with an answer for the manager. What was his answer?

What kind of band never plays music?

It can't be seen, can't be felt, can't be heard, and can't be smelt.
It lies behind stars and under hills, And empty holes it fills.
It comes first and follows after, Ends life, and kills laughter.
What is it?

Two in a corner, one in a room, zero in a house, but one in a shelter. What am I?

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211