ENGINEERING.com Puzzles
http://www.engineering.com/AskForum/aff/38/afv/topicsview.aspx
Engineering Puzzlesen-USActiveForums 4.2Copyright 2000-2013 ENGINEERING.comWed, 08 Apr 2015 13:59:07 GMTQuestion: If you have 30 white socks, 22 black socks, and 14 blue socks scattered across the floor in the dark, how many would you have to grab to get a matching pair?Question: If you have 30 white socks, 22 black socks, and 14 blue socks scattered across the floor in the dark, how many would you have to grab to get a matching pair?
http://www.engineering.com/AskForum/aff/38/aft/1903/afv/topic.aspx
richardsMon, 06 Apr 2015 13:51:02 GMThttp://www.engineering.com/AskForum/aff/38/aft/1903/afv/topic.aspx2What do you get if you add 3 to 300 five times?What do you get if you add 3 to 300 five times?
http://www.engineering.com/AskForum/aff/38/aft/1854/afv/topic.aspx
jamesWed, 11 Mar 2015 00:06:30 GMThttp://www.engineering.com/AskForum/aff/38/aft/1854/afv/topic.aspx4Ten identical cookies are to be distributed among five different kids (A, B, C, D, and E). All 10 cookies are distributed. How many different ways can the five kids be given cookies?Ten identical cookies are to be distributed among five different kids (A, B, C, D, and E). All 10 cookies are distributed. How many different ways can the five kids be given cookies?
http://www.engineering.com/AskForum/aff/38/aft/1906/afv/topic.aspx
balTue, 07 Apr 2015 15:15:28 GMThttp://www.engineering.com/AskForum/aff/38/aft/1906/afv/topic.aspx2Let's play a game. If I went halfway to a town 60 km away at the speed of 30 km/hour, how fast do I have to go the rest of the way to have an average speed of 60 km/hour over the entire trip?Let's play a game. If I went halfway to a town 60 km away at the speed of 30 km/hour, how fast do I have to go the rest of the way to have an average speed of 60 km/hour over the entire trip?
http://www.engineering.com/AskForum/aff/38/aft/1866/afv/topic.aspx
alastairWed, 18 Mar 2015 11:58:44 GMThttp://www.engineering.com/AskForum/aff/38/aft/1866/afv/topic.aspx5What's the angle between minute hand and hour hand at a quarter past three?What's the angle between minute hand and hour hand at a quarter past three?
http://www.engineering.com/AskForum/aff/38/aft/1895/afv/topic.aspx
rajTue, 31 Mar 2015 13:01:39 GMThttp://www.engineering.com/AskForum/aff/38/aft/1895/afv/topic.aspx3What is 5 × 11 × 9 × 2 × 0 × 5 × 15 × 25 equal to ?What is 5 × 11 × 9 × 2 × 0 × 5 × 15 × 25 ?
http://www.engineering.com/AskForum/aff/38/aft/1910/afv/topic.aspx
rajWed, 08 Apr 2015 13:59:07 GMThttp://www.engineering.com/AskForum/aff/38/aft/1910/afv/topic.aspx1What was her answer?A poor woman and a rich woman are talking about music. <br /> <br /> The poor woman says she has studied music and can name a song with any name in it. <br /> <br /> The rich woman says "OK, if you can find a song with my son's name in it, I will give you a thousand dollars. His name is Demarcus-Jabari." <br /> <br /> The poor woman gives her answer and is instantly $1,000 richer. <br /> <br /> What was her answer? <br />
http://www.engineering.com/AskForum/aff/38/aft/1909/afv/topic.aspx
alecWed, 08 Apr 2015 13:56:22 GMThttp://www.engineering.com/AskForum/aff/38/aft/1909/afv/topic.aspx1What is the fewest number of pairs you need to test to guarantee you can get the flashlight on?Question: You have a flashlight that takes 2 working batteries. You have 8 batteries but only 4 of them work. <br /> <br />
http://www.engineering.com/AskForum/aff/38/aft/1902/afv/topic.aspx
bruno ggggMon, 06 Apr 2015 13:49:19 GMThttp://www.engineering.com/AskForum/aff/38/aft/1902/afv/topic.aspx2What is as light as a feather, but even the world's strongest man couldn't hold it for more than a minute?What is as light as a feather, but even the world's strongest man couldn't hold it for more than a minute?
http://www.engineering.com/AskForum/aff/38/aft/1810/afv/topic.aspx
hamzaWed, 04 Feb 2015 18:50:55 GMThttp://www.engineering.com/AskForum/aff/38/aft/1810/afv/topic.aspx3Bodo weighs 140 pounds more than his sister Elizabeth. Their combined weight is 200 pounds. How many pounds does Bodo weigh?Bodo weighs 140 pounds more than his sister Elizabeth. Their combined weight is 200 pounds. How many pounds does Bodo weigh?
http://www.engineering.com/AskForum/aff/38/aft/1816/afv/topic.aspx
edu gasparWed, 11 Feb 2015 21:24:09 GMThttp://www.engineering.com/AskForum/aff/38/aft/1816/afv/topic.aspx3Why is this?Christmas and New Year's Day occur exactly one week apart. So a New Year's that occurs right after Christmas should be on the same day of the week. But in the year 2020 Christmas will occur on a Friday and New Year's on a Wednesday.Christmas and New Year's Day occur exactly one week apart. So a New Year's that occurs right after Christmas should be on the same day of the week. But in the year 2020 Christmas will occur on a Friday and New Year's on a Wednesday.
http://www.engineering.com/AskForum/aff/38/aft/1828/afv/topic.aspx
alecThu, 19 Feb 2015 18:40:14 GMThttp://www.engineering.com/AskForum/aff/38/aft/1828/afv/topic.aspx2What four digit number has digit 2 smaller than digit 4 which is two thirds of digit 1 which is two thirds of digit 3 which is three times digit 2?What four digit number has digit 2 smaller than digit 4 which is two thirds of digit 1 which is two thirds of digit 3 which is three times digit 2?
http://www.engineering.com/AskForum/aff/38/aft/1836/afv/topic.aspx
balWed, 25 Feb 2015 23:58:59 GMThttp://www.engineering.com/AskForum/aff/38/aft/1836/afv/topic.aspx3What is the answer to this problem? 48 / 2(9 + 3) = ?What is the answer to this problem? <br /> <br /> 48 / 2(9 + 3) = ?
http://www.engineering.com/AskForum/aff/38/aft/1900/afv/topic.aspx
alecSun, 05 Apr 2015 03:20:45 GMThttp://www.engineering.com/AskForum/aff/38/aft/1900/afv/topic.aspx1How can you go from DINER to MENUS, changing one letter at a time and forming another English word in each step?How can you go from DINER to MENUS, changing one letter at a time and forming another English word in each step?
http://www.engineering.com/AskForum/aff/38/aft/1901/afv/topic.aspx
richardsSun, 05 Apr 2015 03:25:10 GMThttp://www.engineering.com/AskForum/aff/38/aft/1901/afv/topic.aspx1When things go wrong, what can you always count on?When things go wrong, what can you always count on? <br />
http://www.engineering.com/AskForum/aff/38/aft/1837/afv/topic.aspx
balSun, 01 Mar 2015 17:26:02 GMThttp://www.engineering.com/AskForum/aff/38/aft/1837/afv/topic.aspx6Many people would think Friday the 13th will be an unlucky day. Is it possible that there is no Friday on 13th through the whole year? How many Fridays at 13th can we have in a year at most? Can you calculate it out?Many people would think Friday the 13th will be an unlucky day. Is it possible that there is no Friday on 13th through the whole year? How many Fridays at 13th can we have in a year at most? Can you calculate it out? <br />
http://www.engineering.com/AskForum/aff/38/aft/1897/afv/topic.aspx
richardsWed, 01 Apr 2015 13:29:34 GMThttp://www.engineering.com/AskForum/aff/38/aft/1897/afv/topic.aspx1Right now Mum is 21 years older then her child In 6 years her child will be 5 times younger than she. Where is daddy?Right now Mum is 21 years older then her child In 6 years her child will be 5 times younger than she. Where is daddy?
http://www.engineering.com/AskForum/aff/38/aft/1846/afv/topic.aspx
edu gasparThu, 05 Mar 2015 07:53:36 GMThttp://www.engineering.com/AskForum/aff/38/aft/1846/afv/topic.aspx4What did one math book say to the other?What did one math book say to the other?
http://www.engineering.com/AskForum/aff/38/aft/1888/afv/topic.aspx
edu gasparSun, 29 Mar 2015 13:03:00 GMThttp://www.engineering.com/AskForum/aff/38/aft/1888/afv/topic.aspx1What is the next number in the sequence? 1 11 21 1211 111221 312211What is the next number in the sequence? 1 11 21 1211 111221 312211
http://www.engineering.com/AskForum/aff/38/aft/1880/afv/topic.aspx
alecWed, 25 Mar 2015 12:48:06 GMThttp://www.engineering.com/AskForum/aff/38/aft/1880/afv/topic.aspx2There are 12 coins. One of them is false; it weights differently. It is not known, if the false coin is heavier or lighter than the right coins. How to find the false coin by three weighs on a simple scale?There are 12 coins. One of them is false; it weights differently. It is not known, if the false coin is heavier or lighter than the right coins. How to find the false coin by three weighs on a simple scale?
http://www.engineering.com/AskForum/aff/38/aft/1882/afv/topic.aspx
balThu, 26 Mar 2015 12:50:44 GMThttp://www.engineering.com/AskForum/aff/38/aft/1882/afv/topic.aspx1