who is silent in the parliament?

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

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?

Where do you go to learn how to make ice cream?

In case you were starting to feel confident, this one was meant for third graders in Vietnam. The answer is 66, but we don't blame you for scratching your head about how they got there.

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

In an office's desk, you find a unique method that shows the current day of the month. Two numbered cubes are used to depict the current date.

Can you find out the numbers on both the cubes so that each date can be mentioned using them?

Please note that you have to use both the cubes to display any date. Thus the 1st day must be represented by 01 and so on.

I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?

Can you decipher the below rebus?

PBLUESAISNUERSES

Prove that the below maths equation is true.

8 + 8 = 91