[{"scores":[{"value":2},{"value":3},{"value":4}]},{"scores":[{"value":8},{"value":9},{"value":10}]},{"scores":[{"value":7},{"value":7},{"value":10}]}]

db.collection.find({"scores":{$not:{$elemMatch:{$or:[{value:{$lt:8}},{value:{$gt:10}}]}}}})