Average Practice Test 5

Question : 10 of 40

Marks: +1, -0

Two schools A and B of participated in a dance competition, consisting of 48 and 52 students respectively. If the average weight of the participants of School A is 55 kg and that of school B is 60 kg, find the average weight of participants of both the school.

57.60
58.60
60.57
57
59.60

Validate

Solution:

Total weight of the participants of School A and B
= (48 × 55 + 52 × 60) kg
= 5,760 kg
∴ Average weight of all the participants

={5,760}/100

= 57.60 kg

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