Which five letter word can be added at the end of below word to form a
valid word?

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

John and Jill are madly in love with each other. To remind Jill of his pure love, John wants to send her a ring by post but in their country where burglary is quite prominent, any package that is not locked comes under the risk of being stolen for the contents.

John and Jill possess many padlocks but neither one of them has the other key.

Can you find a way John can send the ring to Jill safely?

What has one eye, but can’t see?

There are people and strange monkeys on this island, and you can not tell who is who (Edit: until you understand what they said - see below). They speak either only the truth or only lies.
Who are the following two guys?
A: B is a lying monkey. I am human.
B: A is telling the truth.

The first two letters signify a male, the first three letters signify a female, the first four letters signify a great, while the entire world signifies a great woman. What is the word?

Can you find a five letter word that is left with only two letters if one is removed?

How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

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

If 24H in a D => 24 hours in a day.
What does "64S on CB" stand for?