Quick Brain Twisters for a Thursday Afternoon:
Easy Level:
1. How could a bunny fall out of a 20 story building and
still be alive?
2. Its Easter! There is a basket with 6 Easter eggs. 6
bunnies take each one of the eggs. How can it be that one egg is left in the
basket?
3. There was a reclusive bunny who never left home. He had
weekly supplies of cookies delivered, but they never came inside. Then, one
stormy winter night when an icy gale was blowing, the poor bunny had a
migraine. He went upstairs, turned off off all the lights, and went to bed.
Next morning, he had caused the deaths of over 100 people. How?
4. 5 pieces of coal, a carrot stem and a scarf are lying on
a hill near a remote house. Nobody put them on the lawn, but there is a
perfectly logical reason they are there. Why?
5. A police bunny saw a trucker bunny clearly going the
wrong way down a one-way street, but did not give chase. Why?
Medium Level:
6. What are the next two letters in the following series and
why?
W A T N T L I T F S _ _
7. A women from New
York married ten different men from that city, yet she did not break any laws.
None of these men died, and she never divorced. How was this possible?
8. The following number is the only one of its kind:
8,549,176,320. Can you figure out what is so special about it?
9. If you wrote all the numbers from 300 to 400 on a piece
of paper, how many times would you have written the number 3?
10. Two vertical 750 ft posts have 1000 ft rope stretched
between their topmost points. The rope sags to within 250 ft from the ground.
How far apart are the posts?
Hard Level:
A man wants to have a
party in thirty-one days where he will be serving his 1000 barrels of wine. The
only problem is that one of his enemies poisoned one of the barrels. The poison
kills any man who drinks any of the wine in about 30 days, give or take a few
hours. The man has 10 plants that are also killed by the poison in 30 days and
can be used to test the wine. How can identify the single poisoned barrel of
wine?
3 comments:
The only way for him to identify 1 bottle of wine would be for him to be an OCD eccentric math genius.
He would have to set out all 1000 barrels of wine, and in order, pour a small amount from EACH bottle of wine onto DIFFERENT plants. It is a permutation kind of thing.
I mapped out the first 100 combinations, but he would have to keep track of all of them in order to identify which barrel it is. Most likely, about half of the plants would die. It just depends on which plants die.
*applause* Very nice! :) That is indeed the answer. It's similar to Columbo's problem, just a bit different.
Answers:
1. He fell out of the first floor window.
2. The last bunny took the egg and the basket.
3. The bunny was a lighthouse operator.
4. 4 bunnies had built a snowman on the lawn. The snow has since melted. Of course the bunnies also ate the carrot.
5. The trucker bunny was walking (hopping?), not driving.
6. A and W (and why) - The pattern is the first letter of every word in the sentence.
7. The lady was a Justice of the Peace.
8. It is the only number that has all the digits arranged in alphabetical order.
9. 120 times
10. 0 ft. The rope sags 500 ft from the top of the post to make it 250 ft above the ground. Since the rope is 1000 ft, it must be folded directly in half which would happen only if the two posts were right next to each other.
11. To do this the man must create 1000 unique groups from the 10 plants in which each group has between 1 and 10 plants, and give each plant wine from a different barrel. He can then throw away the barrel of wine that corresponds to the group that died from the wine.
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