What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

Can you count the number of squares in the figure below?

There are 20 people in an empty, square room. Each person has full sight of the entire room and everyone in it without turning his head or body, or moving in any way (other than the eyes). Where can you place an apple so that all but one person can see it?

A hen, a dog, and a cat are stolen. Three suspects are arrested named Robin, Steve, and Tim. The police are sure that all of them stole one of the animals but they don't know who stole which animal.

Sherlock Holmes is appointed to identify and is provided with the following statements from the investigation.

Robin - Tim stole the hen
Steve - Tim stole the dog
Tim - Both Robin and Steve are lying. I neither stole a hen nor a dog.

Sherlock is somehow able to deduce that the man who stole the cat is telling a lie and the man who stole the hen is telling truth.

Can you help him find out who stole which animal?

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.

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?

In a football game, Christina defeated Teresa by 2 - 0 but no man from either side scored. How can this be possible?

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

Krish is 45 years old and his mother Crishtina is 73 years old.

Can you find out how many years ago, his mother was three times his age?

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?