PDF chapter test TRY NOW

See the given histogram and answer the questions that follow:
 
[Note: Weights between 25 kg and 35 kg is considered as underweight, and weights between 40 kg and 50 kg. is considered as overweight.]
 
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1. How many students weigh between 35 - 40 kilograms?
 
The number of students is .
 
 
2. How many students are examined altogether?
 
The total number of students is .
 
 
3. How many students are overweight?
 
The number of students is .