1.

A difference of temperature of 25°C is equivalent to a difference of

Answer»

`25^(@)F`
`45^(@)F`
`67^(@)F`
`77^(@)F`

Solution :`(F-32)/(9)=(C )/(5) RARR F_(2)-F_(1)=(9)/(5)(C_(2)-C_(1))=(9)/(5)xx25=45^(@)F`


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