Question

what is tree upper limit of the class 31-40 if classes are 11-20,21-30,31-40,...

Answer 1

Hi friend...

The upper limit of the class 31-40 is 40.

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Answer 2

the answer will be 40.5.Because all the classes ,if simplified will be 10.5-20.5,20.5-30.5,30.5-40.5. Hence,the upper limit is 40.5(C)