1 . The average temperature for the first 4- days of a week is 40.2-degree Celcius and that of the last 4 days is 41.3-degree Celcius If the average temperature for the whole week is 40.6-degree Celcius then the temperature on the fourth day is-

• A. 38.5 Degree Celcius
• B. 40.8 Degree Celcius
• C. 41.3 Degree Celcius
• D. 41.8 Degree Celcius

Answer: Option D

Explanation: