Question

Which degree fahrenheit and centigrade have same numerical value?

Answer 1

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HERE IS UR ANS

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AT-40°C farenheit and centigrade have same numerical value
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Answer 2

C = (5/9)(F - 32) ------(1)
where , C = temp. in centigrade and, F = temp. in fehrenheit
now , put F = C in (1)
=> C = (5/9)(C - 32 )
=> 9C = 5C - 160
=> 4C = (-160)
=> C = (-40)
hence , at -40° ... fehrenheit and centigrade have same numerical value....