once a student in a class along with his sir , were sitting . the student asked his sir how many rupees he has in his pocket. the sir replied that he had 10 rupees. the student then said that you ask me a question , if i failed then i will give you 1 rupee , and then i will ask u the question the question if u failed to answer it then u’ll give me 10 rupees coz u knowledge is higher than me. The sir agreed to it . the student asked a question to his sir that name the animal which has 10 legs 6 arms 7 eyes 4wings 12 fingers in one and 50 teeths .etc … . The teacher failed to answer and thus gave him 10 rupees , then the sir asked him that u tell the name of such animal. the student gave a rupee to his sir and said that he also don’t know it. 
derh hushyar :D
LoL 
old but good one :k: