As a whole I am both
safe and secure.

Behead me and I become
a place of meeting.

Behead me again and I am
the partner of ready.

Restore me, and I become
the domain of beasts.

What am I?

Can you find out the remainder when 3^300 is divided by 5?

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?

The measurement of time, That can't be found on a clock, But can be looked upon on a map.

Who is He ?

O_er_t_o_

Complete the missing letters of the given word.

Do you know of a place where the wind blows south and then suddenly shifts direction towards the north?

John asked Jack, "The time right now is 7 pm. Can you tell me what will be the time 23, 999, 995 hours later ?"

While Bella does not know the answer, do you ?

Can you find out what is missing?

1 3 5
2 4 ?

Hint: It's not six. Think out of the box.

The captain of a ship was telling this interesting story: "We travelled the sea far and wide. At one time, two of my sailors were standing on opposite sides of the ship. One was looking west and the other one east. And at the same time, they could see each other clearly." How can that be possible?

Can you find out the missing number?

? 4 5 3 5

9 5 7 10 3