Question

13. How many times does the digita occur
between 1 and 1007​

Answer 1

Step-by-step explanation:

⇒ 1 – 10 = 2 times

⇒ 11 – 20 = 10 times

⇒ 21 – 30 = 1 time

⇒ 31 – 40 = 1 time

⇒ 41 – 50 = 1 time

⇒ 51 – 60 = 1 time

⇒ 61 – 70 = 1 time

⇒ 71 – 80 = 1 time

⇒ 81 – 90 = 1 time

⇒ 91 – 100 = 2 times

⇒ Total = 2 + 10 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 2 = 21

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