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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 taken3,476
Average score20.0%
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Number
Double
706
1412
660
1320
583
1166
921
1842
244
488
Number
Double
545
1090
31
62
758
1516
566
1132
194
388
Number
Double
560
1120
302
604
528
1056
426
852
632
1264
Number
Double
931
1862
239
478
676
1352
628
1256
323
646
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