A clock which keeps correct time at 25^(...

A clock which keeps correct time at `25^(@)C` has a pendulum made of a metal. The temperature falls to `0^(@)C`. If thecoefficient oflinear expansion of the metal is `1.9xx10^(-5)` per`.^(@)C`, then number of second the clock gains per day is

10.25 s

20.50 s

30.75 s

41s

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