STAW WEEK 2016
Brain Teasers:
1. A milkman has 2 empty jugs: a 3 gallon jug and a 5 gallon jug. How can he measure exactly
1 gallon without wasting any milk?
2. I went to bed at 10:32 PM and woke up at 7:44 AM. I slept a total of 10 hours and 12
minutes. How is this possible?
3. How can a man go 8 days without sleep?
4. What comes once in a minute, twice in a moment, but never in a thousand years.
5. The more you take, the more you leave behind. What am I?
6. What has many keys, but can't even open a single door?
7. In a certain city, 5% of all the persons in town have unlisted phone numbers. If you select
100 names at random from that city's phone directory, how many people selected will have
unlisted phone numbers?
8. The rungs of a 10 foot ladder attached to a ship are 1 foot apart. If the water is rising at the
rate of one foot an hour, how long will it take until the water covers over the ladder?
9. What goes up and never comes down?
10. Is it legal for a man to marry his widow’s sister?
11. What belongs to you, but other people use it more than you?
12. What is the sum of 1+1+1+1+1+1+1+1+1+1+1+1x0+1=?
13. How many squares are there in the figure below?
14. The three glasses on the left are full, three on the right are empty. Moving only one glass, make a
row of alternately full and empty glasses.
15. What is the solution?