One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

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?

There are three Athletes (John, Tarun and Harish) and their individual Coaches (Jacob, Meenaxi and Priyanka) standing on the shore.
No Coach trusts their Athlete to be near any other Coach unless they are also with them.
There is a boat that can hold a maximum of two persons.
How can the six people get across the river?

At a party, there are five people and a whole round cake lying at the centre of the table. Only four people will make a cut and take their piece and the last one will get the remaining piece on the table. How can they make sure that everyone gets a 1/5th of the piece?

On her drawing table, Sayna lit 12 coloured candles. A few seconds later she blew two candles off.

How many candles Sayna have at the end?

I know a country, If you remove the last alphabet of its name, it will become a part of your body. Do you name it?

If you were to put a coin into an empty bottle and then insert a cork into the neck, how could you remove the coin without taking out the cork or breaking the bottle?

In the below-given picture of a pretty girl, there is something wrong. Can you find out what it is?

Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?