Statistics for Cities at the Confluences (Junctions) of Rivers

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River #1	River #2	Merged into	Initial	Answer	% Correct
White Nile	Blue Nile	Nile	K	Khartoum	96%
Rhône	Saône	Rhône	L	Lyon	92%
Rio Solimões	Rio Negro	Amazon	M	Manaus	92%
Mississippi	Minnesota	Mississippi	M	Minneapolis	84%
Ottawa	Rideau	Ottawa	O	Ottawa	84%
Delaware	Schuylkill	Delaware	P	Philadelphia	76%
Allegheny	Monongahela	Ohio	P	Pittsburgh	76%
Columbia	Willamette	Columbia	P	Portland	76%
Mississippi	Missouri	Mississippi	W (or S)	West Alton (near St. Louis)	72%
Yangtze	Jialing	Yangtze	C	Chongqing	68%
Volga	Oka	Volga	N	Nizhny Novgorod	64%
Rhine	Main	Rhine	M	Mainz	60%
Rhine	Ruhr	Rhine	D	Duisburg	52%
Klang	Gombak	Klang	K	Kuala Lumpur	32%
Amur	Ussuri	Amur	K	Khabarovsk	20%
Volga	Kotorosl	Volga	Y	Yaroslavl	20%