What are numorals?

What number is the product of 16 and the sum of 20? What is the square root of 25425 inches? How many times does 452 go into 1762? What is the maximum resultant for a 5 unit vector and a 2 unit vector? What is 16.64 divided by 3.28 equal? What is a flanking span? What are some expressions about 'learning'? 0.3 times 2r- 0.3 times3 equals 0.2r plus 0.9? How do you change 024 into a percent? Which shape always has four right angles? What decimal is between 2.3344 and 2.346? Do the following conversion 10mm equals 1cm find 17mm equals what cm? Why does your car have a bumpy ride on flat surfaces? Name two artificial structure built beaches and describe their unintended effects? What is concomitant variance? How many dollars are in 8100 cents? How do you put 241000 in standard notation? What is the locus of all points in a plane two centimeters from point a? How do you find a linear equation using x and y coordinants? How much ink in 1 square inch?