Question 582179:  Find all sets of four consecutive positive integers such that the greatest integer in the set is greater than twice the least integer in the set. 
 Answer by dfrazzetto(283)      (Show Source): 
You can  put this solution on YOUR website! zero is neither positive nor negative, so we start w/ 1
 
1,2,3,4 
2,3,4,5 
3,4,5,6 - nope 
4,5,6,7 - nope
 
Only the first 2 sets satisfy
 
[1,2,3,4]
 
[2,3,4,5] 
  | 
 
  
 
 |   
 
 |