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Q.

Given below is the bar graph indicating the marks obtained out of 50 in mathematics paper by 100 students. How many students have obtained marks ranging from 20 to 29?


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a

15

b

17

c

19

d

20 

answer is D.

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Detailed Solution

From the given graph, we get that the height of the bar for the marks ranging between 20 and 29 is 20.
Thus, we get that 20 students got their marks in the range of 20- 29.
Therefore, the correct option is 4.
 
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