A) \[30{}^\circ C\]
B) \[33{}^\circ C\]
C) \[36{}^\circ C\]
D) \[39{}^\circ C\]
Correct Answer: D
Solution :
Average temperature of Monday, Tuesday and Wednesday \[=40{}^\circ C\] \[\therefore \] Sum of temperature of Monday, Tuesday and Wednesday \[=\text{ }3\times 40{}^\circ C=120{}^\circ C\] Average Temperature of Tuesday, Wednesday and Thursday \[=\text{ }3\times 41{}^\circ C=123{}^\circ C\] So, Temperature of Thursday - Temperature of Monday \[=3{}^\circ \] \[\therefore \] Temperature of Monday \[~=\text{ }42{}^\circ -3{}^\circ =\underline{\mathbf{39{}^\circ C}}\]You need to login to perform this action.
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