What is the riddle which can be asked all day with a different correct answer each time.

Two-person want to cross a river. Only one boat is present on the riverside that can carry only one person at a time.

However, they still manage to cross the river. How is it possible?

Can you name three consecutive days without using the words Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, or Sunday?

Seven Robbers robbed a bank and hide the coins in a lonely place.
They decide to divide the money equally the next morning. Two greedy robbers decided to cheat the others and reach the place at night. They equally divided the coins between them, one coin left. So they called another robber and then they decided to divide equally among the three. Sadly again one coin left. The same thing happened to the 4th 5th and the 6th robber.
However, when the 7th robber reached in the morning, they can divide the coins equally.

How many coins were there in total?

A shepherd had 18 sheep, out of which, all but ten died.

Can you tell us how many sheep was he left with?

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

Bopanna was working on a murder case when he received a message about the location of the murder weapon.
The message was encrypted as below.

"deb mitciv eht edisni neddih si nopaew redrum ehT"

Tell me the location of the murder weapon.

What is the largest number you can write with just 3 digits?

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

You bought me for dinner but never eat me. What am I?