Temple Run reduces EXAM REACTION TIME of Students #shorts

At Lucknow Public School 1/9 students were absent in an exam and only 19/24 of those who appeared for the exam passed it. Now we know that 500 students failed in the exam. what is the Total number of students who registered for the exam :

At Lucknow Public School 1/9 students were absent in an exam and only 19/24 of those who appeared for the exam passed it. Now we know that 500 students failed in the exam. Total number of students registered for the exam is :

Several students have taken an exam . There was an error in the answer key which affected the marks of 48 students , and their average marks reduced from 78 to 66 . The average of remaining students increased by 3.5 marks . This resulted the reduction of the average of all students by 4.5 marks . The number of students that attended the exam is :