Subject
Bank Exam
Topic
বাংলাদেশ ব্যাংক (অফিসার) - ০২.১২.২০২২
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-
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-
ক)
38.5°Cখ)
40.8°Cগ)
41.8°Cঘ)
41.3°CExplanation
চতুর্থ দিনের তাপমাত্রা ={4×40.2⁰)+(4×41.3⁰)}-(7×40.6⁰) =(160.8⁰+165.2⁰)-284.2⁰ =326⁰-284.2⁰ =41.8⁰CRelated questions
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