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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 taken3,527
Average score20.0%
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Number
Double
562
1124
368
736
683
1366
18
36
479
958
Number
Double
741
1482
898
1796
440
880
739
1478
15
30
Number
Double
367
734
380
760
262
524
36
72
243
486
Number
Double
894
1788
774
1548
346
692
985
1970
407
814
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