The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

O_er_t_o_

Complete the missing letters of the given word.

Four people need to cross a rickety bridge at night. Unfortunately, they have only one torch and the bridge is too dangerous to cross without one. The bridge is only strong enough to support two people at a time. Not all people take the same time to cross the bridge. Times for each person: 1 min, 2 mins, 7 mins and 10 mins. What is the shortest time needed for all four of them to cross the bridge?

Can you name some countries which do not have the alphabet 'A' in them?

How can you make number one disappear by adding something to it?

John is asked to stand behind Jacob and Jacob is asked to stand behind John. Both of them feel confused about it and don't know what to do?

But it is quite possible, do you know how?

Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

You Throw The Outside, Cook The Inside
Eat The Outside, Throw The Inside.

What Is It?

Wednesday, Steve and Pam go to a restaurant to eat lunch. After eating lunch, they pay the bill. But Steve and Pam do not pay the bill. So…who does?

What does an Island and the letter T have in common?