The class mark of the class 90-120 is

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105

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115

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120

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Solution

The correct option is B 105
Class mark is the mean of the upper and lower limit of the class interval = $\frac{90 + 120}{2}$ = 105

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Similar questions

Question 1
The class mark of class 90 - 120 is:

A) 90
B) 105
C) 115
D) 120

Question 1
The class mark of class 90 - 120 is:

A) 90
B) 105
C) 115
D) 120

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