The average temperature for the first 4- days of a week is 40.2-degree Celcius and that of the last 4 days is 41.3-degree Celcius If the average temperature for the whole week is 40.6-degree Celcius then the temperature on the fourth day is-

A 38.5 Degree Celcius
B 40.8 Degree Celcius
C 41.3 Degree Celcius
D 41.8 Degree Celcius

Correct Answer: 41.8 Degree Celcius

Temperature on the fourth day= [(40.2 × 4 + 41.3 × 4) - (40.6 × 7)]° C= 41.8° C
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#গণিত #Bangladesh Bank #গড় (Average) #বাংলাদেশ ব্যাংক অফিসার ০২ -১২-২০২২

Related Questions

The average temperature for the first 4-days of a week is 40,2º 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 temperature on the fourth day is -
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D 40.8° C
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