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?

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

How many people must be gathered together in a room, before you can be certain that there is a greater than 50/50 chance that at least two of them have the same birthday?

It's a protector.
It sits on a bridge.
One individual can see directly through it, while others wonder what it hides.

What is it?

Find the next number in the series.
1 10 24 43 67 ?

Prove that twice of ten is the same as twice of eleven.

Decode the below four famous ciphers:

8P of the SS
1M of the E
1S of the SS
60M in 1H

If Bihan is 10, Anirudha is 20, and Kim and Seal are both 5, but Rikold is 10, how much is Kenniger by the same trend?

What do you answer even though it never asks you questions?

Why 1729 is a magic number? Answer Logically.