# 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) =

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The average age of students of Section-D is 21 years and the average a