Question

28. The average mark of a class of n students
is 64. When eight new students with an average
mark of 73 join the class, the new average of the
entire class is a whole number. Find the number
of students now in the class, given that n lies
between 25 and 60.
(b) 28
(c) 54
(d) 72
(a) 36​

Answer 1

Answer:

the no of student now in class

= ( a ) 36

Answer 2

Answer:

the number of students now in the class

=(a) 36