What is the coolest letter in the alphabet?

Make a sentence consisting of three words that have the whole alphabet.

A bomb exploded in a room full of married couples and no one died. How?

Count the number of lines in the image below ?

There was a man he lives in a hotel each morning he presses the first floor button each evening if there is a person in the elevator he asks him to press the 10 floor button if there is no one in the elevator he takes the stairs why.

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

A boy collects white seashells from the sea and brings them home every night. When he has enough of them, he decides to sell them to a trader.

The trader is ready to buy the shells and he asks the boy about the quantity. At this, the boy starts calculating. He has a giant box that contains 3 mini boxes. Two of them have another mini box inside. If the giant box can hold 50 shells, how many brown shells can he sell to the trader?

A boy and his father are caught in a traffic accident, and the father dies. Immediately the boy is rushed to a hospital, suffering from injuries. But the attending surgeon at the hospital, upon seeing the boy, says 'I cannot operate. This boy is my son.' How is this situation explained?

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

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