Question

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​

Answer 1

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