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Below table represents marks obtained by students of class I in Mathematics. Which two classes have the same frequency?

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0-10 and 30-40

30-40 and 40-50

10-20 and 30-40

0-10 and 10-20

answer is B.

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Detailed Solution

Frequency gives the number of times that an entry occurs. The frequency of 0-10 and 30-40 is the same and equal to 4.

Therefore, 0-10 and 30-40 is the correct response.

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