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Question

The histogram below represents the Mathematics marks of the students.

Find the total number of students with total marks more than or equal to 40 and less than 70.


A

40

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B

18

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C

27

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D

24

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Solution

The correct option is D

24


No. of students in marks interval 40-50 = 7

No. of students in marks interval 50-60 = 8

No. of students in marks interval 60-70 = 9

So, total no. of students having marks more than or equal to 40 and less than 70 = 7+8+9 = 24


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