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?

What can you hold in your right hand, but never in your left hand?

What happened when the wheel was invented?

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

A beggar on the street can make one cigarette out of every 6 cigarette butts he finds. After one whole day of searching and checking public ashtrays the beggar finds a total of 72 cigarette butts. How many cigarettes can he make and smoke from the butts he found?

There are three boxes on a table. One of the box contains Gold and the other two are empty. A printed message contains in each box. One of the message is true and the other two are lies.

The first box says "The Gold is not here".

The Second box says "The Gold is not here".

The Third box says "The Gold is in the Second box".

Which box has the Gold?

Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

James bond was pushed out of an aeroplane without any parachute.
He survived, How come?

Which city is three-fifths chick two third cat and 50% goat?

Can you find out which number multiplied by itself will give the output as 12345678987654321?