Answers

2015-06-15T11:12:16+05:30
Temperature of drops from 5400 m  = 1 degree per 100 m (given in the question)
height of top peak = 8850 m
temperature at base of Everest  = -5 degree (it is also given in the question)

so,,

height of top peak from the base = 8850 - 5400 = 3450 m
total drops in temperature  = 3450/100 = 34.5 degree

so temperature at top = -5 - 34.5 = -39.5 degree Celsius

-39.5 degree celsisus  is the answer
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