Larry N. Campbell

Pesky Puzzlers 2025

PP 25.2: Do any or all:

  1.  Ralph drives 60 miles at the speed of 30 mph. Then he returns on the same route, driving 60 mph. What was his average speed for the round trip?
  2. What number is 10 more than twice the number that is 10 more than 15 times (one-half of 10)?
  3. Guess the next three letters in the sequence GTNTL.
  4. During which month do people sleep the least?

Some Previous Puzzlers 

PP 25.1: Do any or all:

  1.  The largest hailstone known to have fallen in the US fell in Coffeyville, KS, in Sept 1970.  It was 17.5 inches in circumference and weighed 1.67 pounds.  What was the approximate diameter of the hailstone? Approximately 5.57 inches.
  2. What is the smallest positive integer which is itself divisible by each of the integers from 1 to 12? 27720
  3. Your unorganized sock drawer contains 8 white socks, 8 blue socks, and 8 black socks. How many times do you need to reach inside the drawer and take out a sock at random to guarantee you have A)  a sock of each color? B) a pair of socks of the same color? A) 17 B) 4
  4. What was special about Jan 9 this year? (If you’re alert, you just might find this answer elsewhere in the Mailing. 🙂 ) Writing out the date – 1/9/25 – gives you the squares of the first 3 odd positive integers.
  5. The string of letters abcdefghijkmnopqrstuvwxyz could be said to represent a particular time of the year. What would that time be? Christmas. There is no letter l. (Noel)