What amount Sh. Rahul Gupta has to pay if he pays the bill after due date?
Mrs. Gupta repays her total loan of Rs. 1,18,000 by paying instalments every month. If the instalment for the first month is Rs. 1,000 and it increases by Rs. 100 every month, what amount will she pay as the 30th instalment of loan ? What amount of loan she still has to pay after the 30th instalment ?