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wiki:donuts:winter2017
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wiki:donuts:winter2017 [2017/03/02 12:09] mruzinda |
wiki:donuts:winter2017 [2017/04/17 13:28] (current) mruzinda |
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| [[wiki:donuts:winter2016:cards|answer]] | [[wiki:donuts:winter2016:cards|answer]] | ||
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| + | ====== Alien invasion ====== | ||
| + | |||
| + | You are a clairvoyant member of a superhero team tasked with protecting the earth from any threats. You see an alien invasion take place one minute in the future and you see a room with a panel that would stop the alien invasion. All you have to do is push a button on the panel and victory would be yours. The problem is that the panel is protected by 9 guards as shown below and they have hostages in front of each guard. | ||
| + | |||
| + | _______ door | ||
| + | o o o o - Hostages | ||
| + | 1 - Guards | ||
| + | 1 1 1 0 - Panel | ||
| + | |||
| + | o 1 1 o | ||
| + | o 1 0 1 o | ||
| + | o 1 1 o | ||
| + | |||
| + | |||
| + | If you have nine members (each with powers listed below), but can only use 3 of them, which three could accomplish the mission with no casualties (You have to defeat the guards fast enough that the hostages aren't killed and each member can only knock out 3 guards regardless of their ability). | ||
| + | Team member abilities : Flight, speed, strength, heat vision, invisibility, super breath, shape shifting, elasticity, and combat. | ||
| + | |||
| + | [[wiki:donuts:winter2016:alieninvasion|answer]] | ||
| + | |||
| + | ====== Wires ====== | ||
| + | |||
| + | You are an electrician in a building and the AC needs fixing. There are 3 wires (black, white, and red) in the basement that are disconnected from the power and the same 3 are disconnected on the top floor, but have different colors (yellow, green, and blue). You have a multimeter and a tool kit full of items like resistors, capacitors, diodes, transistors, etc, and you want to connect the 3 wires in the basement and only make one trip to the top floor to connect the other 3 to the AC. What is the minimum number of items you can use to choose the correct wires to connect to the AC on the top floor? | ||
| + | |||
| + | [[wiki:donuts:winter2016:wires|answer]] | ||
| + | |||
| + | ====== Hardware store ====== | ||
| + | |||
| + | You're trapped in a hardware store, and a bomb is about to go off in 5 hours. The only way to disarm it, is to fill a container on the bomb with exactly 9.5 gallons. There are 2 64 gallon containers that can be filled with water and a balance that you can use in the store. How would you fill the container with 9.5 gallons exactly? | ||
| + | |||
| + | [[wiki:donuts:winter2017:hardwarestore|answer]] | ||
| + | |||
| + | |||
| + | ====== Circle square ====== | ||
| + | |||
| + | Fit 4 circles, with equal diameter of 1 inch, in a square and find the minimum area of the square with no cross sections of the circles. | ||
| + | |||
| + | [[wiki:donuts:winter2017:circlesquare|answer]] | ||
| + | |||
| + | ====== Fans ====== | ||
| + | |||
| + | Find the minimum number of fans needed to get the ball to the whole. The boundary is a fence with wholes. (Click on the figure to zoom in) | ||
| + | |||
| + | {{:wiki:donuts:slide1.jpg?200|}} | ||
| + | |||
| + | [[wiki:donuts:winter2017:fans|answer]] | ||
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| ===== Questions Asked ===== | ===== Questions Asked ===== | ||
| | Junming Diao | 3 | | | Junming Diao | 3 | | ||
| - | | Mark Ruzindana | 1 | | + | | Mark Ruzindana | 2 | |
| | Dr. Jeffs | 1 | | | Dr. Jeffs | 1 | | ||
| | Richard Black | 2 | | | Richard Black | 2 | | ||
| - | | Dr. Warnick | 0 | | + | | Dr. Warnick | 1 | |
| | Mitchell Burnett | 0 | | | Mitchell Burnett | 0 | | ||
| + | | Jeff Nybo | 1 | | ||
| + | | Michael Lambert | 2 | | ||
wiki/donuts/winter2017.1488481779.txt.gz ยท Last modified: 2017/03/02 12:09 by mruzinda