Celtic increase their lead at the top of the Scottish Premiership, while Ross County drop to the bottom.
In the Championship, St Mirren recovered from losing two early goals to stay out in front, with Dundee United in hot pursuit.
Read Saturday's match reports.
Kilmarnock 2-1 Rangers
Celtic 3-0 Aberdeen
Hibernian 2-1 Ross County
Motherwell 1-1 Dundee
Partick Thistle 1-0 Hamilton Academical
St Johnstone 0-0 Heart of Midlothian
Dumbarton 0-0 Falkirk
Dundee United 3-0 Livingston
Dunfermline 2-1 Brechin City
Morton 1-0 Inverness CT
Queen of the South 2-3 St Mirren