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Q.

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How many students watched TV for less than 4 hours?


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a

34

b

32

c

24

d

30  

answer is A.

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Detailed Solution

The given histogram shows data about hours of TV watched by students.
Question ImageUsing the displayed diagram, we have 4 students who watch television for 1-2  hours, 8 students who watch television for 2-3 hours and 22 students who watch television for 3-4 hours.
Number of students who watch TV for less than 4 hours =4+8+22
⇒ Number of students who watch TV for less than 4 hours= 34 
So, 34 students watch television for less than 4 hours.
Hence, the correct option is 1.
 
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