What does this simple rebus mean?

In which direction should the missing arrow point?

You’re out on the water and see a boat filled with people. You look away for a second and look back again, but this time you don’t see a single person on the boat. Why? Hint: The boat did not sink.

Why is 6 afraid of 7?

What is the longest word in the dictionary?

The picture shows the dice results in each couple of throws. If they are actually following a pattern, can you find out the missing one?

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

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

Mr Red Lives in the red house.
Mr Green Lives in the greenhouse.
Mr Yellow Lives in the yellow house.

Who lives in the Whitehouse?

Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??

I inserted a coin in a bottle and closed its mouth with the help of a cork. Now, I was able to take the coin out from the bottle without taking out the cork or breaking the bottle. Can you tell me how I did it?