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

Can you find the key in the picture below?

Count the number of times the letter "F" appears in the following paragraph:

FAY FRIED FIFTY POUNDS OF
SALTED FISH AND THREE POUNDS
OF DRY FENNEL FOR DINNER FOR
FORTY MEMBERS OF HER FATHER'S FAMILY.

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

Who is He ?

On a bright sunny day, two fathers took their son fishing in the lake. Each man and son were able to catch one fish. When they returned to their camp, there were only three fishes in the basket. What happened?

PS: None of the fish were eaten, lost, or thrown back.

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

There was an aeroplane crash, every single person died, but two people survived. How is this possible?

What do you answer even though it never asks you questions?

An old Woman left INR 33,333 to be divided equally among two fathers and two sons and each was to receive INR 11,111.
How was this possible?

There was a minor accident with a doctor's son but the doctor noticed no major injury. After the treatment, the father of that doctors son is sitting with the son of the doctor without the doctor being in the room.

How can this be possible?