We should find out whether the museum is open.
He passed the test, whether by skill or luck.
Taxation to support the war, whether just or unjust.
Ask whether she will help.
Whether of them twain did the will of his father?
Whether hadst thou rather be a Faulconbridge, [...] Or the reputed sonne of Cordelion?
He chose the correct answer, but whether by luck or by skill I don't know.
Do you know whether he's coming?
He's coming, whether you like it or not.
An example of whether is what someone would say when asking her child if she would like vanilla or chocolate ice cream.
Whether she wins or whether she loses, this is her last tournament.