Can you spot the hidden girl in the picture below?

How can you write nineteen in a manner that if we take out one, it becomes twenty?

When we see 2 but call 10?

Once upon a time, there was a castle on a square island. The entire island was surrounded by a 14m wide trench. The Romans had wanted to invade the castle and had brought a few wooden planks along with them to facilitate themselves in crossing the moat. The planks were however found to be only 13m long.

The Romans still managed to cross the trench. How did they do it?

Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

What number divided by 4 is the same as that number minus 4?

You need to complete the maze by entering from the entrance marked below in the figure near the yellow circle, bottom left and leaving from the exit point near the green circle, bottom middle.

Rule of Game: You can move only by exchanging green and yellow circles.

A and B have a certain number of chocolates with them. If B gives one chocolate to A, they will have an equal number of chocolates. But if A gives one chocolate to B, then A will be left with half the number of chocolates that B has.

Can you find out the number of chocolates they have right now?

What is the next shape from answers A, B, C, and D figure?

When does a USA Potato change its nationality?