What two things can you never eat for breakfast?

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

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?

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

In a town, there are over 100 flats.
Flat-1 is named first flat.
Flat-2 is named second flat.
Flat-3 is named third flat.

A visitors 'Victor' decides to walk through all the flats, he finds all the flats except flat-62.
Victor later founds that the local of the town have given it another name.

What is the name of the Flat?

There is so small cabin inside a deep forest.
All the forest burned out to worst possible but the inside of the cabin is still the same.
However all the person inside the cabin die.

How come ?

I am white when I am dirty, and black when I am clean. What am I?

Can you make the below equation true by using any three numbers from "1, 3, 5, 7, 9, 11, 13 and 15"?

( ) + ( ) + ( ) = 30

In the image given, you can find several triangles. Can you count them all?

Take away my first letter, then take away my second letter. Then take away the rest of my letters, yet I remain the same. What am I?