The average weight of 30 students is 15. The average weight of last 10 students
15 & weight of one of remaining students is 34 kg then what is the average
weight of remaining 19 students?
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Answer:
139 kg
Step-by-step explanation:
Total weight = 30 × 15 = 450
Weight of last 10 students = 10 × 15 = 150
Weight of one remaining student = 34
So,
weight of remaining 19 students = 450 - (150+34) = 139 kg
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