Question

find the class marks of classes 10.5-25.5 and 25.5-55.5

Answer 1

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we cannot find for it....

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Answer 2

Answer:

1)10.5-25.5

class mark=upper limit+lower limit/2

25.5+10.5=36

36/2

=18

2)25.5-55.5

55.5+25.5/2

55.5+25.5=81

81/2=40.5

=40.5

don't forget the brackets otherwise it wud go wrong(BODMAS)