Question

(13) Average weight of some students in class is 50 kg. Out of
these 24 students has average weight 45 kg and
remaining has 65 kg. Find the number of students in the
class.
​

Answer 1

Answer:

The answer is 49.9kg

Step-by-step explanation:

According to the question

The average weight of 50 students was = 45 kg

when one student leaves the class the avg. reduced by 100 gm

∴Total weight reduction due to 49 students = 49×100=4900 gm=4.9 kg

∴The weight of student who left = 45 + 4.9 = 49.9 kg

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