Logic Riddles

Question: Name two different words using following words only... 1. Without me 60% living beinga cant survive.. 2. Without me none ( living+non-living cant survive... 3. Both have five letters each but both r anagrams of each other..

Question: A shield can reflect projectiles which travel at 4/5 of their original speed after being reflected. A missile is shot towards the shield at 700 km/h. At what speed did it go after its reflection?

Question: What is AD before BC, exams before tests and last year is after last month?

Question: What does a cruise ship, a dead man, and an emu have in common?

Question: A cop is chasing a man that just robbed a bank in crimesville. The cops name is robber and the robbers name is cop. Another man is a theft at another bank steeling money and another police is chasing him. The polices name is theft and the mans name is police. A third man steels money at the other bank in crimesville and the sheriff is chasing him. What is the name of the sheriff and the third man?