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Reading · 5 minQuiz · 5 questions2 code drills · run only

Question 1 of 5

How many occurrences of digit 1 appear from 1 through 13?

5, because 13 is excluded6, because 1, 10, 11, 12, and 13 contribute 1, 1, 2, 1, and 14, because 11 contributes only once5, because five integers contain digit 1

Your answers are marked here and nowhere else — nothing is saved, and the score at the end goes when the page does. The pass mark, retakes, and whether passing is what ticks this item on the sheet are all still open.

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