Question

Class mark of the class 90 to 120 is?

Answer 1

Answer:

Class mark =( Upper limit + lower limit )/2

Class mark = (120+90)/2

= 210=2=105

Answer 2

Answer:

  The class mark of the class 90 -120 is 105

Step-by-step explanation:

Class mark = upper limit + lower limit / 2

                  = 90+120/2

                  = 210/2

                 =105