This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

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 B C D E F G H

These are the letters given to you. Now you have to find out the letter that comes two to the right of the letter which is immediately to the left of the letter that comes three to the right of the letter that comes midway between the letter two to the left of the letter C and the letter immediately to the right of the letter F.

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

You have a 12 liters jug full of water. You have two empty 8 liters and 5 liters jug. How can you divide the water into two equal parts using these jugs?

Why 1729 is a magic number? Answer Logically.

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

Which is the correct shadow of the bird?

There is a brick of gold and a brick of iron in a boat (both 10-inch blocks), if they are both dropped into the water which will make the water level higher?