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Fast Typing in Binary

How high can you count in binary in 30 seconds?
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Last updated: April 14, 2017
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First submittedOctober 16, 2016
Times taken8,722
Average score12.0%
Rating4.47
0:30
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0
 / 100 guessed
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Scoring
You scored / = %
This beats or equals % of test takers also scored 100%
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Your fastest time is
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Answer
1
10
11
100
101
110
111
1000
1001
1010
1011
1100
1101
Answer
1110
1111
10000
10001
10010
10011
10100
10101
10110
10111
11000
11001
11010
Answer
11011
11100
11101
11110
11111
100000
100001
100010
100011
100100
100101
100110
100111
Answer
101000
101001
101010
101011
101100
101101
101110
101111
110000
110001
110010
110011
110100
Answer
110101
110110
110111
111000
111001
111010
111011
111100
111101
111110
111111
1000000
Answer
1000001
1000010
1000011
1000100
1000101
1000110
1000111
1001000
1001001
1001010
1001011
1001100
Answer
1001101
1001110
1001111
1010000
1010001
1010010
1010011
1010100
1010101
1010110
1010111
1011000
Answer
1011001
1011010
1011011
1011100
1011101
1011110
1011111
1100000
1100001
1100010
1100011
1100100
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Your Next Quiz
Answer these randomly generated division problems.
Solve these randomised square root problems as fast as you can!
Guess any number that fits in each series of categories until only one number remains.
Do 50 division operations in just a minute. Your run ends if you make a mistake. Prepare to lose, wahahaha!
10 Comments
+3
Level 52
Oct 28, 2016
Seems practically impossible to finish it... Anyway, fun quiz!
+1
Level 27
Sep 29, 2017
Hard to do in your head but possible ig.
+1
Level 58
Apr 11, 2021
Confusion. But nice quiz
+1
Level 83
Dec 3, 2021
I feel like typing to 100 in binary is so tedious that I just don't want to do it. Maybe make it to 50 in less time?
+1
Level 92
May 27, 2026
In 7,000 attempts, has any person actually come close to finishing? It appears that the best score falls well short of scoring a single point, let alone finishing.
+1
Level ∞
May 27, 2026
Time was 2 minutes before but is now 30 seconds. Because, as Dimby said, it could get tedious. The points will catch up.
+2
Level 87
May 27, 2026
Beat 71% of test takers, 0 points. Seems like an error.
+4
Level 88
May 27, 2026
You should specify in the instructions to start counting at 1 rather than 0.
+1
Level 69
May 28, 2026
You have a point, but then thinking about it, who starts counting from zero?
+1
Level 95
May 27, 2026
After many tries I finally got 25 which is the bare minimum to get 5/5 points