Q159
The average temperature for the first four days of a week is 40.2° C and that of the last four days is 41.3° C. If the average temperature for the whole 40.6°C, then the temperature on the fourth day is-
A.
40.8° C
B.
41.3° C
C.
41.8° C
AnswerD.
38.5° C
Answer: Option C
Solution
Answer: Option C
Solution:
Temperature on the fourth day = [(40.2 × 4 + 41.3 × 4) - (40.6 × 7)]° C
= 41.8° C