Raghav is listening to the weather report of his city for the past week. The news reporter says that the average temperature of the first 3 days was 27° C and that of the next 3 days was 29° C. He then ended with that the average temperature for the whole week was 28.5° C. Raghav wants to know the temperature which was on the last day of the week. What's your answer to his question?
a 31.5⁰
b 41°
39⁰
d 36.5⁰
Answers
Answered by
7
Answer:
a) 31.5^oC
Step-by-step explanation:
Correct option is A=31.5^oC
Mean temperature would be given by:
27×3+29×3+Temperature of Last Day
-----------------------------------------------------
7
=28.5
∴28.5×7−27×3−29×3=31.5^oC
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