On my way to St. Ives I saw a man with 7 wives. Each wife had 7 sacks. Each sack had 7 cats. Each cat had 7 kittens. Kittens, cats, sacks, wives. How many were going to St. Ives?

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

A King wants to send the diamond ring to his girlfriend securely. He got multiple locks and their corresponding keys. His girlfriend does not have any keys to these locks and if he sends the key without a lock, the key can be copied in the way. How can King send the ring to his girlfriend securely?

While handling a project, the landscaper is asked by the owner of the mansion that he wants four trees in front of his mansion that are exactly equidistant from each other.

How will he do it?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

How do you go from 98 to 720 using just one letter?

Can you fill the blank with the correct number?

6 30 870 756030 _____

During which month do people sleep the least?

As easy as you can get into me, it is as hard to get out of me.

Do you know what I am?