Question

1. How many natural numbers are there between 10 and 100 (excluding
the two given numbers)?
2. How many times does the digit 5 occur in the units place in all the natural
numbers up to 100?
3. How many times does the digit 2 occur in tens place in the natural numbers from
100 to 1000?​

Answer 1

Answer:

1.89

2.10 times

3.10 times