Fire Rescue Worksheet

In today scenario various robberies are happening in the city. One of the robber Mr K, is getting day by day fame. He robs in a different style. He always left place some math puzzles as a clue. Same happened last night, a building was set on fire by him. Various people were still stuck in the building. He wrote some puzzles for the fire rescue officers to determine the room where people are stuck in. Quickly find out all the rooms.