After a while to get rid of his habit of marking his fingers, the teacher applied a new technique. Going forward, Bablu Singh had to put his fingers in his pocket so he could use his fingers to do the marking. The test began and the teacher asked – what is 2 + 3? 5 came the answer. What is 4 + 2? Bablu said 6. That too was correct. Third was also supposed to be an easy question – what is 5 + 5? By this time, he was used to answering questions with his hands in the pocket. Then Bablu Singh thought for a second and said 11.