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'
Santa: "When I woke up this morning, I felt like going out and getting a job." Banta: "Did you?" Santa: "No. I stayed in bed until the feeling passed."