[{"_id":"61dbab7f0beb8c8075370217","name":"Question 2","answers":[{"text":"something 1","isDeleted":false},{"text":"something 2","isDeleted":true},{"text":"something 2","isDeleted":false}]}]

db.collection.find({},{answers:{$filter:{input:"$answers",cond:{$eq:["$$this.isDeleted",false]}}},name:1})