There are three boxes of different sizes with three cupcakes inside each of the boxes in Christina's kitchen. At night her daughter wakes up and goes to the kitchen. She opens a box and eats all three cakes.

But in the morning Christina finds out that each box still had three cupcakes. How?

Find the missing number in the image below.

Can you find the missing letter in the sequence?
S - T - I - L - ? - T - F - Y - C

Through your logical capabilities, can you make 7 an even?

Can you move 2 matchsticks to form four equal sized squares.

I am first found in caves, now prolific online; I am a depiction, a drawing, a symbol, or sign. I will convey whichever mood you could wish; or for that matter, a fist, flask, or fish. What am I?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

What seven-letter word has hundreds of letters in it?

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?

A man stands on one side of a river, his dog on the other. The man calls his dog, who immediately crosses the river without getting wet and without using a bridge or a boat. How did the dog do it?