arangosh> db.old.range("age", 10, 30).toArray();
[ 
  { 
    "_id" : "old/572639725", 
    "_key" : "572639725", 
    "_rev" : "572639725", 
    "age" : 15 
  }, 
  { 
    "_id" : "old/572836333", 
    "_key" : "572836333", 
    "_rev" : "572836333", 
    "age" : 25 
  } 
]