railway RPF SI Mock Test Series 2024 Quantitative Aptitude Average Simple Average

In a group of 32 students, the average weight was 18.5 kg. When 4 students left the group, the average came down to 15.5 kg. What was the average weight (in kg) of those 4 students?

1

39.5

2

37.5

3

27.5

4

36.5

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