Question

how many three digit natural number are divisible by 8​

Answer 1

Answer:

Step-by-step explanation:

Smallest 3-digit number divisible by 8= 104 = a

Largest 3 digit number divisible by 8= 992 = $a_{n}$

common difference= d=8

⇒992= 104 + (n-1) * 8

⇒992= 104 - 8 +8n

⇒992-96 = 8n

⇒896 = 8n

⇒n=896/8

⇒n= 112

Hence there are 112 3 digit numbers divisible by 8