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

I have one of the three numbers: 1, 2, or 3 in my mind. I speak only truth. You can ask me just one question for which I will only reply in yes or no or don't know. What question will you ask from me so that you are able to know the number?

What time is it when an elephant sits on a fence?

What word is represented by this rebus?

When is the top of a mountain similar to a savings account?

Find the hidden tiger in the given optical illusion ?

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

There was a kingdom in which the king had no heir to take over his thrown. Even the queen was dead and he himself was on the verge of dying. He thought about it and then summoned all of the teenagers. He gave one seed each to all of them and asked them to grow the plant. He announced that the one with the most beautiful plant will become the king/queen of the empire after the death of the king.

After a month, all of them were called. The king looked at all of the plants but announced the girl with an empty pot as the queen of the empire. Why?

What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day

You have to put a letter on the following to make it a meaningful word. The only challenge is that you can't use 'E'.

S E Q U E N C _