Move four matchsticks to the below square to form three squares?

A father is locked up in jail. His wife has gone bankrupt. Their male child has to sell his hotel in order to gain some money. Yet their girl child does not care and is quite happy.

How can someone be so rude?

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?

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

This is a simple one. You just have to count the number of Fs in the given sentence.

Finished Files are the result of years of scientific study combined with the experience of years.

How many did you count?

If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?

You are stuck on an island where you have nothing. You find four pieces of paper somewhere on the island. What will be your strategy to escape from the island safely?

PS: No other resource is available to you on the island, neither can you build anything.

John decided to give his bike 3 coats of paint. Which coat would go on the first?