How many triangles are there on the puzzle 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?

What happened when the wheel was invented?

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

In a fruit store, there was a unique weighing machine that was made to weigh only cherries and strawberries as they were priced the same.

Other fruits like watermelons or mango had different machines as they were expensive.

A man successfully buys watermelons at the price of cherries. How?

f you were running a race, and you passed the person in 2nd place, what place would you be in now?

You want to boil a two-minute egg. If you only have a three-minute timer (hourglass), a four-minute timer and a five-minute timer, how can you boil the egg for only two minutes?

Why are all black people so quick ?

Guess the hidden movie name?

You need to move three matchsticks to form three squares. Can you do it?