Files se ni tha Or video walay question bi ni thay Maximum or minimum find Karna tha short or long question ka Variance standard deviation CPM and PERT, expected time, shortage wla q tha ak EOQ model S tha or simplex Kuch bi ni Aya tha Ajeeb hi paper tha or McQ files se 4 or Baki statement change hoi vi thi conceptual thay