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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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Keep scrolling down for answers and more stats ...
Number
Double
654
1308
314
628
241
482
590
1180
653
1306
Number
Double
303
606
392
784
143
286
21
42
963
1926
Number
Double
705
1410
117
234
986
1972
588
1176
575
1150
Number
Double
284
568
530
1060
918
1836
27
54
351
702
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