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The average weight of all the students i...

The average weight of all the students in a class was 45.5 kg. Later on 5 students weighing 44.6 kg, 43.4 kg, 44 kg, 45.5 kg and 43.5 kg leave the class. As a result, the average weight of the remaining students increases by 500g. What was the number of students in the class, initially?

A

18

B

20

C

16

D

21

Text Solution

Verified by Experts

The correct Answer is:
A
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