In this Question you have to find
(i) sum of all natural numbers
(ii) which is divisible by the given digit
This is the Important question based on Arithmetic progression Chapter of R.S Aggarwal book for ICSE & CBSE Board.

This is the Important question based on Arithmetic progression Chapter of R.S Aggarwal book for ICSE & CBSE
Board.
Here the AP and the last term of AP is given you have to find which term of the AP this ...