Teaching KVS Stenographer Mock Test Quantitative Aptitude Average

There are 20 boys and 40 girls in a class. If the average age of boys is 12 years and average age of girls is 10 years, then find out the average age of the whole class.

1

11.66 years

2

10.66 years

3

12.66 years

4

16.66 years

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