The mean high temperature of the first four days of a week is $25^{0}$c whereas the mean of the last four days is $25.5^{0}$C. If the mean temperature of the whole week is $25.2^{0}$C then the temperature on the 4th day is

The mean high temperature of the first four days of a week is $25^{0}$c whereas the mean of the last four days is $25.5^{0}$C. If the mean temperature of the whole week is $25.2^{0}$C then the temperature on the 4th day is
1). $25.5^{0}$C
2). $25^{0}$C
3). $25.2^{0}$C
4). $25.6^{0}$

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