If the average temperature of first four days of week was 39

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RRB TC CC Exam (Mumbai) 2006 click here to view all questions

If the average temperature of first four days of week was 39° C and the average temperature of the week was 40°C, then what was the average temperature of the last three days of the week?

A40.9°C

B39.9°C

C42.1°C

D41.3°C

Akilesh Kharvi ? Nov 6 '2016 at 12:19

Answer is : 41.3°C

Total Tempurature of First four days
=4*39 = 156 c
Total Tempuratue of the week
=40*7 = 280c

Total temperature of the last three days
=280-156
=124 c

Required Average
=\(124\over3\)
=41.3 c

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Answer is : 41.3°C Total Tempurature of First four days =4*39 = 156 c Total Tempuratue of the week =40*7 = 280c Total temperature of the last three days =280-156 =124 c Required Average =\(124\over3\) =41.3 c Akilesh Kharvi ? answered Nov 6 '2016 at 12:19 All Comments

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