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Refer the below data table and answer the following Question.
How many students have scored marks 20 or more but less than 40?
Number of students who scored :
40 and above = 26
30 and above = 42 - 26 = 16
20 and above = 55 - 42 = 13
10 and above = 77 - 55 = 22
0 and above = 107 - 77 = 30
=> Students who have scored marks 20 or more but less than 40 = 16 + 13 = 29
=> Ans - (B)
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