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You're A Genius If You Score 15/15 In The Hardest Mixed Knowledge Test

Can you get a perfect score?

#knowledge

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What are your thoughts on this subject?
681 Comments
Becky Chipman
It is irritating that the quizzes that you hit let's play for some reason no longer open. Not sure what changed but it is irritating
0
May 6, 2026 8:26AM
Michael Matheson
The nile is 6853 km 453km longer than the amazon but the amazon has a higher volume of water.
1
Mar 25, 2026 6:44AM
anneli
Isabel Weinberg, Volume.
0
Feb 22, 2026 8:38AM
David Ching
"YOU ARE LITERALLY A GENIUS!"
2
Feb 8, 2026 2:13AM
Diane Hallagan
mikegoldstein, No, it's longer but the Amazon is larger.
0
Jan 11, 2026 1:09PM
Diane Hallagan
Mary Beth Oles, The Nile is the longest river in the world. The Amazon is the largest. The question asked for the largest.
0
Jan 11, 2026 1:08PM
Diane Hallagan
Jacqui Halvorson, No, largest is not the same as longest.
0
Jan 11, 2026 1:07PM
Diane Hallagan
Bob Ramage, Same here - the questions are ridiculously easy!
0
Jan 11, 2026 1:07PM
Diane Hallagan
Francie Carlson, The question asked for the largest river, not the longest.
1
Jan 11, 2026 1:06PM
Jerry W Douglas
The Nile does me in yet again.
1
Jan 10, 2026 6:44PM
Vikrant Joseph
15/15...good quiz with answers..
2
Dec 1, 2025 10:02AM
mutti
Saad Bounjoua, you have to read the question...they asked for the LARGEST (by volume) not the longest.
0
Nov 22, 2025 12:34PM
mutti
mikegoldstein, They asked for the LARGEST not LONGEST
2
Nov 22, 2025 12:31PM
mikegoldstein
The Nile is the longest river not the Amazon
7
Oct 29, 2025 12:50PM
curtiscalvarese
I achieved 10/15 correct. Not bad for guessing. ,😛😀
1
Oct 22, 2025 2:39PM

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