Weekly Brain Teasers – Week #1

13. The babies were born on a boat. After Kerry was born the boat crossed the international date line. Kerry and Terry were born on different days: Kerry on March 1st and Terry on February 28th. On a leap year their birthdays are two days apart.

14. Fill the 3-gallon jug. Pour into 5-gallon jug. Refill 3-gallon jug and pour into 5-gallon jug. 5-gallon jug is now full and 3-gallon jug has 1 gallon. Empty 5-gallon jug. Empty the single gallon from the 3-gallon jug into the 5-gallon jug and then fill 3-gallon jug and pour that into 5-gallon jug as well.

15. The two sons travel to mainland first. One son stays and the other son goes back, gets out of the boat, and the father travels to the mainland. Then the first son goes back and gets the other son.