railway RRB Technician Grade 3 Mock Test 2024 Quantitative Aptitude Average

The average height of 15 persons in room A is 5.6 feet and the average height of 10 persons in room B is 6.1 feet, then find the average height of persons in both the rooms together.

1
5.7 feet
2
5.75 feet
3
5.9 feet
4
5.8 feet
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