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

Can you complete the sequence puzzle?

AR TA GE CA LE VI LI _

There are 20 people in an empty, square room. Each person has full sight of the entire room and everyone in it without turning his head or body, or moving in any way (other than the eyes). Where can you place an apple so that all but one person can see it?

f you were running a race, and you passed the person in 2nd place, what place would you be in now?

It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?

I was speeding and ran through a stop sign, yet two traffic officers who were there do nothing about it.

why?

I am a five-letter word and people eat me. If you remove the first letter I become an energy form. If you remove the first two letters, I am needed to live. Scramble the last three letters and I am a drink. What word am I?

what's the probability of getting a king or a queen from a pack of 52 cards?

You enter your friend's room. He is not in his room. Although you see that on the bed there are two dogs, five cats, two giraffes and three pigs. Also, a couple of chickens and ducks are flying in the room.

Calculate the number of legs standing on the floor.

Can you find the dog hidden in a group of pandas?