What goes up but never comes down?

How many bricks does it take to complete a building that is 15 feet wide, 30 feet deep, and 12 feet tall made of brick?

You are given a cube that is made with the help of 10x10x10 smaller cubes summing up to a total of 1000 smaller cubes. You are asked to take off one layer of the cubes.
How many remain now?

Can you find out a way through which you can make five squares out of the given figure by moving just six match sticks?

Spot the cat in the picture below

It belongs to you, but other people use it more than you do. What is it?

Find the next number in the sequence

5 12 24 36 ?

What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

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?

Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?