What brings you down but never up?

During which month do people sleep the least?

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

If Bihan is 10, Anirudha is 20, and Kim and Seal are both 5, but Rikold is 10, how much is Kenniger by the same trend?

I can write cow in 13 letters.

Can You?

I have lakes with no water, mountains with no stone and cities with no buildings. What am I?

Which is heavier: a ton of bricks or a ton of feathers?

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

We can be boring,Or interesting.
We can be long,Or short.
We can have pictures,Or just words.
Many love us,But many also hate us.
What are we?

From a pack of 52 cards, I placed 4 cards on the table.

I will give you 4 clues about the cards:

Clue 1: Card on left cannot be greater than the card on the right.
Clue 2: Difference between the 1st card and 3rd card is 8.
Clue 3: There is no card of an ace.
Clue 4: There are no face cards (queen, king, jacks).
Clue 5: Difference between the 2nd card and 4th card is 7.

Identify four cards?