How many times should the keys of type writer be pressed, in order to write the first 300 counting numbers?
789
795
792
798
Answers
Answered by
1
Answer:
792 times
Explanation:
One digit number 1 to 9 = 9
Two digit no. = 10 to 99 = (89+1 ) x 2 = 180
Three digit no. = 100 to 300 = (200+1) x 3 = 603
Total = 792
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