In the figure, you can see nine stars. What you have to do is connect all of them by using just four line and without lifting your hand i.e. in a continuous flow.

In a science lab, a petri dish hosts a healthy colony of yeast for an experiment. Now every minute, all the yeast cells divide into two. At noon, there was just a single cell of yeast and at 1:22, the Petri dish was half full. Can you calculate when the dish will be full of yeast?

Transform the word THINK into BRAIN while changing only one letter at a time in a manner that each of the word in the process is a real word!!!

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

Can you find the key in the picture below?

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

People put me on the table and cut me but do not eat me. What am I?

A deaf and mute man goes to the train station. Tickets for the train are 50 cents each. The man goes to the ticket booth and hands the man inside just a dollar. The man in the booth hands him two tickets.

How did the man in the booth know to give him two tickets without even looking at him?

A blonde put eyeliner on her head. Why?

How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?