Why do we preferably have round manhole covers and not square ones?

There is something which you can be arrested for attempting but not for successfully completing.

What kind of storm is always in a rush?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

Find out the number of circles in the given picture having Illusion

Pronounced as 1 letter, And written with 3, 2 letters there are, and 2 only in me. I’m double, I’m single, I’m black blue and grey, I’m read from both ends, and the same either way. What am I?

A spy was in Canada trying to steal insider information on how to set up new Maple Syrup factories in their country. He was introduced to the operations manager of the biggest factory in Canada. However, the manager was suspicious and decided to test him with a question before he trusted him. So he asked, “What would you be sure to find in the middle of Toronto?” The spy thought fast and came up with an answer for the manager. What was his answer?

What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?

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?

A man and a dog were going down the street. The man rode, yet walked. What was the dog’s name?