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Byju's Answer
Standard IX
Mathematics
Class Interval
Find the clas...
Question
Find the class mark of the class
35
−
39
.
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Solution
Class mark of a class
a
−
b
is given by
a
+
b
2
Hence, the class mark of given class
35
−
39
is
=
35
+
39
2
=
37
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