The class mark of $95 - 100$ is

100

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97.5

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95

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95.5

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Solution

The correct option is A $97.5$
Class mark of a given interval is given by the following formula:
Class-mark $= \frac{L o w e r c l a s s + U p p e r c l a s s}{2}$ $= \frac{(95 + 100)}{2} = 97.5$

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