In the image below, you can see two glasses and two matchsticks.You need to move four matchsticks in such a manner that the crosses come inside the glasses. Note: you cannot move the crossed.

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?

Can you complete the sequence puzzle?

AR TA GE CA LE VI LI _

Can you divide the below-given shape into four equal and identical pieces?

What is the difference between a jeweller and a jailer?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

After teaching his class all about Roman numerals (X = 10, IX=9 and so on) the teacher asked his class to draw a single continuous line and turn IX into 6. The teacher's only stipulation was that the pen could not be lifted from the paper until the line was complete.

Can you make a fire with just a single stick?

Can you count the number of blocks in the picture below?

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.