Eighteen-year-old Bisma Naz saw her hard work pay off on Wednesday when the results of her university entrance exams exceeded her expectations.The Pakistani-born and locally raised teenager was surprised to rack up 24 points in this year’s Hong Kong Diploma of Secondary Education examinations (DSE).Naz was among the 55,000 full and part-time candidates who took this year’s exam, in which students were graded for most subjects on a scale of 1 to 5, with 5* and 5** being the best available.“I…