What was the grand total of Team A? I. Joseph correctly remembers that Team A scored a grand total of above 85 hut below 94 points. II. Sureka correctly remembers that Team A scored a grand' total of above 80 and below 87 points

Data sufficiency questions are designed to check your ability to analyse & categorise information based on underlying concepts rather than calculations. So you should try to observe -  analyse and to find linkages between various statements rather soing lengthy calculations.