The mean high temperature of the first four days of a week is 25°C whereas the

Question

The mean high temperature of the first four days of a week is 25°C whereas the mean of the last four days is 25.5°C. If the mean of the whole week is 25.2°C then the temperature of the 4th day is :

Options:

A . 25°C

B . 25.2°C

C . 25.6°C

D . 25.5°C

Answer: Option C

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