The average temperature for the first 4 days of a week is 40.2°C and that of the last 4 days is 41.3°C. If the average temperature for the whole week is 40.6°C, then the temperature on the fourth day is-
Solution
Correct Answer: Option C
চতুর্থ দিনের তাপমাত্রা
={4×40.2⁰)+(4×41.3⁰)}-(7×40.6⁰)
=(160.8⁰+165.2⁰)-284.2⁰
=326⁰-284.2⁰
=41.8⁰C
={4×40.2⁰)+(4×41.3⁰)}-(7×40.6⁰)
=(160.8⁰+165.2⁰)-284.2⁰
=326⁰-284.2⁰
=41.8⁰C
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