Banta Singh finished his English exam and came out. His friends asked him how he had fared. He replied, "Exam was okay, except for the past tense of 'think'. I thought, thought, thought and at last, I wrote 'thunk'
Lady doctor: tum roz subah clinic ke bahar khade ho kar aurto ko kyon ghurte ho? Santa: ji aap hi ne bahar likha hai "aurton ko dekhne ka samay subah 10 se 12".