A pendulum clock is 5 sec. Slow at a temperature `30^(@)C` and `10` sec. fast at a temperature of `15^(@)C`, At what temperature does it give the correct time-

A pendulum clock is 5 seconds fast at a temperature of 15^(@)C and 10 seconds slow at a temperature of 30^(@)C . The temperature at which it gives the correct time is

A perpendicular clock (fitted with a small heavy bob that is connected with a metal rod) is 5 seconds fast each day at a temperature of 15^(@)C and 10 seconds slow at a temperature of 30^(@)C . The temperature at which it is designed to give correct time, is

A pendulum clock loses 24 sec a day if the temperature is 60^(@)C and gains 8 sec a day if the temperature is 40^(@)C .The temperature at which the clock will show correct time.

A pendulum clock ( fitted with a small heavy bob that is connected with a metal rod ) is 3 seconds fast each day at a temperature of 15^(@)C and 2 seconds slow at a temperature of 30^(@)C . Find the temperature ( in ""^(@)C ) at which will show the correct time.

A pendulum clock ( fitted with a small heavy bob that is connected with a metal rod ) is 3 seconds fast each day at a temperature of 15^(@)C and 2 seconds slow at a temperature of 30^(@)C . Find the temperature ( in ""^(@)C ) at which will show the correct time.

A pendulum clock loses 12 s a day if the temperature is 40^(@)C and gains 4 s a day if the temperature is 20^(@)C . The temperature at which the clock will show correct time, and the coefficient of linear expansion (alpha) of the metal of the pendulum shaft are respectively