Question

in a nomination a batch of 60 students made an average score of 55 and another batch of 40 students made it only 45 what is the overall average score​

Answer 1

Answer:

overall average score = 51

Step-by-step explanation:

total score  60 students  =  60 x55

                                        = 3300

total score of 40 students  =  40 x 45

                                           = 1800

overall  average   = ( 3300 + 1800)  /100

                              = 51