Question

The marks of a student in written and oral tests in subjects A, B and C are as follows. The written test marks are out of 75 and the oral test marks are out of 25. Find the weighted mean of the marks in written test taking the marks in oral test as weight. The marks of written test and oral test respectively as follows: 27, 24, 43 and 5, 10, 15.​

Answer 1

Answer:

(27+24+43)/2

=94/2

=47

(5+10+15)/2

=30/2

=15

Answer 2

Answer:

34

Step-by-step explanation:

=(27x5)+(24x10)+(43x15) / (5+10+15)

=34