15-110 Sections G-J / Spring 2010 / Quiz 3
3 Parts / 6 to 7 Minutes Per Part

(One Part per Day)

 

Part 1)     Write isPrime and nthPrime.

Part 2)  Write isPerfect and nthPerfect.  (Students were provided with a brief description of perfect numbers -- that is, positive integers that equal the sum of their proper divisors.)
 

Part 3)  Write isOddish and nthOddish.  (Students were provided with a brief description of "oddish" numbers (an invented term) -- that is, positive integers that contain more odd digits than even digits.)