The average age of students of Section-D is 21 years and the average a
| The average age of students of Section-D is 21 years and the average age of students in Section E is 25 years. What is the average age of students of Section-D and Section-E together?
A. 
B. 
C. 
D. 
Right Answer is: C
SOLUTION
Total number of students in Section-E = 3000*73.8/360 = 615
Total number of students in Section-D = 3000*95.4/360 = 795
Required average age of students of Section-D and Section-E together = (615*25+795*21)/(615+795) = 
Share
The average age of students of Section-D is 21 years and the average a