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?

There is one four-digit whole number n, such that the last four digits of n2 are the original number n

One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

Which Travels Faster? Solve below famous picture riddle:

One of the leprechaun is missing if you see the two pictures attached to this question. Where did he go? When he comes back, do you know where has he been?

You have a square. What you have to do is cut and reassemble the square such that you create a Red Cross sign that has the same volume as that of the square.

In a kingdom, King George did not allow any citizen to visit the world outside. Also, only a person with proper paperwork was allowed to enter or he was sent back. A wooden bridge was what connected the kingdom to the world. The king had appointed a sharpshooter who would check the every five minutes on the bridge to check. After checking, he would go back to his hut and return exactly after five minutes again. The bridge took 9 minutes to cross.

A merchant was able to escape the kingdom without harming the shooter. How?

I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

If 1+9+8=1, what is 2+8+9?

What is the riddle which can be asked all day with a different correct answer each time.