What is the riddle which can be asked all day with a different correct answer each time.

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

Can you tell a 3D object that has just two surfaces?

What type of tree can I carry in my hand?

After teaching his class all about Roman numerals (X = 10, IX=9 and so on) the teacher asked his class to draw a single continuous line and turn IX into 6. The teacher's only stipulation was that the pen could not be lifted from the paper until the line was complete.

John can fit six large chocolate boxes or nine small chocolate boxes into a carton. How many cartons will he require to put sixty-six chocolate boxes into?

How can you spell "White of an egg" in one word?
Hint: I know you can spell coke, poke, and joke.

Count The number of F's in the paragraph below:

"FINISHED FILES ARE THE RESULT OF YEARS OF SCIENTIFIC STUDY COMBINED WITH THE EXPERIENCE OF YEARS"

Can you find out the number of the parking space in which the car is parked?

O_er_t_o_

Complete the missing letters of the given word.