Let the number of candidates from school III be P.
Average score of all schools = 66
10340 + 55P = 66P + 9768
10340 – 9768 = 66P – 55P
P = = 52
Rate this question :
How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
view all courses
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation