in a group of students,80% of the students weigh less than 60 kg and a total of 32 students weigh less than 50 kg .If 60% of the students weigh less than 50 kg. If 60% of the students weigh at least 50 kg.How many of the students weigh at least 50 kg but less than 60 kg?

A 32

B 36

C 40

D none of these

Solution

Correct Answer: Option A

Solution

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