In around 100 qstns, 60-65 qstns are really easy, last year qstns with just data different and different options. So, 120marks is secured. Approx 20 qstns are new and require concentration, but are not tough. If you are attentive, 160 marks is not a problem. Then, 10 qstns are lengthy and calculative, try atlst 4-5 of them, and you are close to 170 marks. Leave the rest qstns cos ur target has been achieved.