Question

In an exam, the average marks obtained by the students was found to be 55. A certain
computerisation error was detected and the marks of 50 students had to be changed from
95 to 65. Hence, the average came down by 10 marks. The number of candidates taking
the exam is
(a) 100
(b) 150
(C)
200
(d) 250​

Answer 1

Answer:

C) 200

Step-by-step explanation:

According to the question let the number of students be x

x = 200