In which of the following case evaporation will be slower?

Question

$\begin{array}{1 1} (a)\; \text{a tray of water kept in sunlight} \\ (b)\; \text{a kettle of water kept on a burner} \\ (c)\; \text{a glass of water kept in a hot room} \\ (d)\; \text{a bucket of water kept on a roof top} \end{array}$