Once upon a time, there were four friends. Varsha, Richa, Manisha and Neha. Varsha was good at sst subject. Richa was good at English. Manisha was good at science. And Neha was good at maths. During the exams, they made plans. Like in sst exam, Varsha will help others. Similarly, in science exam Manisha will help others. They passed half yearly exams by using this strategy. Now they all were feeling confident and happy. They said to others "teachers call it cheating, but we call it teamwork". They decide that they will apply the same strategy in final exams also. They didn't read a single word for exams. During the exams, what happened? They have roll no like 10,11,15 and 16 respectively. Sitting plan had suddenly changed. Mam had decided that from 1 to 10 roll no in the first row. And from 11 to 20 roll no in the second row. So now the situation was Varsha was sitting at the first desk. And Richa was in last. Same happened with Manisha and Neha. They didn't get any...