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Fast Math - Double That Number! (Typing Based)

Can you double all these numbers within the time limit? Test your mental math skills! This time around you have to type in all of it in 15 seconds. Basically impossible.
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Quiz by
FootballGeoGuy
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Last updated: April 28, 2019
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First submittedApril 28, 2019
Times taken4,372
Average score20.0%
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This beats or equals % of test takers also scored 100%
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Keep scrolling down for answers and more stats ...
Number
Double
122
244
590
1180
921
1842
845
1690
875
1750
Number
Double
430
860
435
870
892
1784
755
1510
190
380
Number
Double
648
1296
969
1938
687
1374
780
1560
912
1824
Number
Double
49
98
378
756
449
898
555
1110
221
442
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2 Comments
+1
Level 20
Jul 28, 2025
You scored 15/20 = 75%

This beats or equals 100% of test takers

The average score is 4

Your high score is 15

:D

+1
Level 20
Oct 19, 2025
You scored 19/20 = 95%

This beats or equals 100% of test takers

The average score is 4

Your high score is 19

I WAS SO CLOSE