Celtic have been drawn at home to Falkirk in the Scottish League Cup quarter-finals after a 3-1 victory over Hibs.
Holders Rangers will face Dundee at Hampden Park.
Motherwell's 1-nil win against Kilmarnock after extra time sets up a last eight tie with Dundee United, who got past St Mirren by the same score.
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League Two Spartans have a trip to Aberdeen.
