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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.
This quiz changes every time you play!
Quiz by FootballGeoGuy
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Last updated: April 28, 2019
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First submittedApril 28, 2019
Times taken3,496
Average score20.0%
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Number
Double
723
1446
994
1988
395
790
591
1182
641
1282
Number
Double
706
1412
436
872
562
1124
8
16
299
598
Number
Double
173
346
737
1474
217
434
532
1064
18
36
Number
Double
42
84
926
1852
169
338
93
186
656
1312
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