What temperature reads the same in both the `""^(@)F and ""^(@)C` scale ?

A substance is heated from 30^(@)C " to " 75^(@)C . What is the change in its temperature on the Fahrenheit scale and on the Kelvin scale?

At what temperature the reading of Fahrenheit will be twice Celsisu scale.?

What is the temperature which has the same value in Celsius and in Fahrenheit scales?

Which temperature gives equal readings in Fahrenheit and Kelvin scales?

Express -40^(@)C in the ""^(@)F scale.

If a body and some water required the same heat for increasing the temperature of both by the same quantity then the quantity of water is called as