by Holger Dambeck | Dec 8, 2018 | Lösung
You are right: 17 minutes. 75 percent of our readers got the right answer. The strategy works as follows: Mary and Joseph cross the bridge (2 minutes)Mary goes back (1 minute)Andrea and Benedict cross the bridge (10 minutes)Joseph goes back (2 minutes)Mary and...
by Holger Dambeck | Dec 7, 2018 | Lösung
Exactly! There are 64. You belong to the 75 % of our users who had the right answer. Your feedback How did you like the puzzle? 1: not at all, …, 5: very much How difficult was it? 1: very easy, …, 5: very hard Send your...
by Holger Dambeck | Dec 7, 2018 | Lösung
Make a list of all square combinations, e.g: 1+3=4, 1+8=9, 1+15=16, … Result: only 8 and 16 have just one square-partner! Start with any of those and the rest follows easily: 16 9 7 2 14 11 5 4 12 13 3 6 10 15 1 8.
by Holger Dambeck | Dec 7, 2018 | Lösung
A pentagram, also known as star pentagon. It has the shape of a five-pointed star polygon – see image below:
by Holger Dambeck | Dec 7, 2018 | Lösung
The right answer is C) You belong to the 80 percent, who knew the correct answer! Congratulation!
by Holger Dambeck | Dec 7, 2018 | Lösung
Let M be Milena’s amount of money, J denotes Jacob’s money and P the price of the MP3 player. We know that : P-37=J, J>0, P-2=M and M+J<P. So 2P-39<P, hence P<39. Since P is a whole number and J>0, then P=38.