Question

Q3. How many 3-digit numbers
are divisible by 9?​

Answer 1

Answer:

where first term = 108, last term = 999, common difference = d = 9, n is to be found. n = 100. Therefore, there are 100 three-digit numbers divisible by 9.

Answer 2

⇒where first term = 108, last term = 999, common difference = d = 9, n is to be found. n = 100.

⇒Therefore, there are 100 three-digit numbers divisible by 9.