1003112807

SubArea: 
Geometric sequences
Level: 
B
Project ID: 
1003112807
Source Problem: 
2010005505
Accepted: 
1
Clonable: 
1
Easy: 
0
The sum of the first two terms of a geometric sequence is 28 and its first term equals 2. Which of the following statements about its common ratio q is not valid?
q is an even number.
q>10
q<28
q is prime number.
q is a divisor of 26.