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Cheng Chin Chang

Progress 2 lessons
Typing speed 31 WPM
Accuracy 97.5%

Education progress

1

Typing certificate

Cheng Chin Chang's Basic Typing Certificate on Ratatype
Cheng Chin Chang's maximum typing speed is 31 WPM that is 24% slower than average typing speed. Cheng Chin Chang is number 268560 of 431376 in fastest typists chart. Closest competitor: Ashish Chouhan

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