state gov Kolkata Police Constable Mock Test 2024 Quantitative Aptitude Average

The average age of 25 girls in a class is 11.2 years and that of the remaining 15 girls is 10 years. Find the average age of all the girls in the class.

1
10.75 years
2
11.35 years
3
10.45 years
4
11.05 years
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