Question

The class mark of the class 90-120​

Answer 1

Step-by-step explanation:

class mark of 90 -120 is

90+120÷2=105

Answer 2

Answer:

105 is class mark

Step-by-step explanation:

class mark= upper limit+lower limit/2

=90+120/2

=210/2

=105

hence class mark is 105