Problem C. 1307. (September 2015)
C. 1307. For what real number q will the numbers \(\displaystyle \big(3\sqrt{5}\,\big)\), \(\displaystyle \Big(\frac{3\sqrt{5}}{5}q\Big)\), \(\displaystyle \Big(0,6\frac{1}{\sqrt{5}}\Big)\) form a geometric progression?
(5 pont)
Deadline expired on 12 October 2015.
Statistics:
115 students sent a solution.  
5 points:  58 students. 
4 points:  14 students. 
3 points:  21 students. 
2 points:  10 students. 
1 point:  3 students. 
0 point:  3 students. 
Unfair, not evaluated:  1 solution. 
Unfair, not evaluated:  5 solutions. 
