What is the plot of the devils arithmetic?

Why is the number 7 odd? How many dimes in a trillion dollars? If a dragonfly flies at the rate of Sixty miles per hour how many feet is this per second? When calcuating following distance by miles per hour how many seconds between you and a car in front of you at 70mph? Why plasticity index decrease with increase in percent of fly ash? What is tan of angle A? What is the answer for the clock puzzle in Gretel and Hansel? What was the Egyptians contribution to math? What is the size of a piece of matzoh? How many times does 39 go into 342? Why zero is not a natural number? What does 10 meters equal to in centimeters? What is world without measurements? How do you calculate initial speed? What is the value of a 1960 D nickel with a bar over the 0? Is every property of parallelogram also a property of all rectangles? How many people called Judas are in the Bible? Find two numbers that have the difference of 6 and the quotient of 3? Why do you need sampling of signal? What is the scientific notation for 2500000?