How many bananas can you eat if your stomach is empty?

Imagine a box with two cogwheels, one big with 24 teeth and one small with 8 teeth. The big one is firmly attached to the center of the box which means it does not turn or move while the small one rotates around the big one.

How many times do you think that the smaller wheel will turn compared to the box when it turns once around the big one?

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

what's the probability of getting a king or a queen from a pack of 52 cards?

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

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

What have one eye but still cannot see?

If a zookeeper had 100 pairs of animals in her zoo, and two pairs of babies are born for each one of the original animals, then (sadly) 23 animals don’t survive, how many animals do you have left in total?

A person is found murdered in his Chamber. When the crime scene is investigated, the Investigator find out that there is a calendar on which the victim has written a few numbers with his blood. The numbers are 4, 11, 11 and 4.

There are four suspects in the murder, John, Jacob, Anna and Lee. Can you find out who is the murderer?

Can you find the odd one out from the below words ?

First Second Third Forth Fifth Sixth Seventh, Eighth Nine Ten Eleven Twelve.