Question

Find the sum of all three digit natural number which are divisible by 7

Answer 1

1089 I think so.............

Answer 2

Answer:

Explanation

Step 1 of 4: Find first term, last term and series

First three digit numbers divisible by 7 is 105 and last three digit number divisible by 7 is 994.

Common difference is 7

Series is  

 

Step 2 of 4: Apply formula of nth term  

 

 

Step 3 of 4: Simplify for n  

 

 

Step 4 of 4: Find sum

 



Step-by-step explanation: