## Wednesday, August 24, 2005

### Riddles

Since I got such positive feedback on the riddle "Attack!", I thought I'd try a few more:

a) What has 4 legs and flies? (Hint: it's not a dead horse!)

b) How many times can you subtract 6 from 30?

c) What number can you subtract half from to obtain a result that is zero?

d) What English word can have 4 of its 5 letters removed and still retain it's original pronunciation?

e) You have 10 bags of gold coins, 10 coins per bag, 10 grams per coin, but one bag of coins weigh only 9 grams per coin (because of low quality). How do you find out which bag contains low quality gold coins? You may use a scale only one time.

f) How can a woman living in New Jersey, legally marry 3 men, without ever getting a divorce, be widowed, or becoming legally separated?

#### 1 comment:

1. a) 2 pairs of pants

b) Once. If you subtract 6 from 30, you don't have 30 anymore!

c) 8, if you talk the half off of 8, you get 0 on top, and 0 on bottom!

d) Queue

d) This is the hardest! I actually got this question on a midterm in grad school.
step 1: we name all the bag of gold coins as #1, #2, #3......#8, #9, and #10

step 2: we put 1 coin from bag #1, 2 coins from bag #2, 3 coins from bag #3.........8 coins from bag #8, 9 coins from bag #9, and 10 coins from bag 10 onto the scale. Find out the total weight.

step 3: the total weight should have been 10 grams X

(1+2+3+4+5+6+7+8+9+10=55) = 550 grams if all coins are the same (10grams each).

step 4: Subtract the total of step 2 from total of step 3.

Conclusion: If step 4 results 1 gram, then bag #1 is the low quality coins, if step 4 results 2 grams, then bag #2 is the one, if step 4 results 3 grams, then bag #3 is the one.......etc.

f) It's her job, she's a Justice of the Peace or a Minister.

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