Why is the longest human nose just 11 inches?

As you can see that fifteen matches have been used to form an arrangement. What you have to do is remove any six of them to make them ten.

What kind of band never plays music?

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

What has many keys but can’t open a single lock?

Why is a river so rich ?

There were two grandmothers and their two granddaughters.
There were two husbands and their two wives.
There were two fathers and their two daughters.
There were two mothers and their two sons.
There were two maidens and their two mothers.
There were two sisters and their two brothers.
Yet there are only six, who are buried here,
All are born legitimate and relationships clear.
How can this happen?

In the given picture, you can find two letters missing. When two particular letters are placed in the missing spots, you get an eight-letter word while reading in the anti-clockwise direction. Can you find out the missing letters and the missing word eventually?

A man dies of old age on his 25 birthday. How is this possible?

In the given figure, move three matchsticks so that the resulting figure contains two rectangles.