arangosh> db.old.closedRange("age", 10, 30).toArray();
[ 
  { 
    "_id" : "old/495897069", 
    "_key" : "495897069", 
    "_rev" : "495897069", 
    "age" : 15 
  }, 
  { 
    "_id" : "old/496093677", 
    "_key" : "496093677", 
    "_rev" : "496093677", 
    "age" : 25 
  }, 
  { 
    "_id" : "old/496290285", 
    "_key" : "496290285", 
    "_rev" : "496290285", 
    "age" : 30 
  } 
]