I’m tall when I’m young, and I’m short when I’m old. What am I?

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

What is a word made up of 4 letters, yet is also made up of 3. Sometimes is written with 9 letters, and then with 4. Rarely consists of 6, and never is written with 5.

The day before yesterday I was 25 and the next year I will be 28. This is true only one day in a year. What day is my birthday?

A few friends are enjoying their sea voyage in a boat full of apples. On the way, they felt hungry and thus decided to eat the apples. Together, they ate two dozen of apples. When they have eaten the apples, will there be any change in the water level?

All of the flowers I have are orchids except two. All of the flowers I have are hibiscuses except two. All of the flowers I have are roses except two.

Can you tell me how many flowers I have?

Can you place six X (crosses) in below board without making three in a row in any way ?

By using 'because' continuously three times, can you make an English statement ?

You have two buckets of 11 liters and 6 litres.
How can you measure exactly 8 litres?

While sitting in the Car, John suddenly finds that one of the wheels was missing. John noticed that a killer is approaching towards him. John cannot get out of the car.

How will John escape?