Father to his son- How was the paper

Father to his son- How was the paper?
Son- bas pehla sawal chut gaya.
Father- acha,aur baki?
Son- 3rd mujhe ata nahi tha,
4th main karna bhul gya,
5th mujhe nazar nahi aya nd 6th paper ki pichli taraf tha meine dekha nahi.
Father gusse me bola- aur 2nd ques?
Son- bas sirf wahi galat hua hai!