57. Rishi wants to buy a car and plans to take loan from a bank. He pays his total loan amount of * 11,80,000 by paying every month starting with the first instalment of 10,000. If he increases the instalment by 1000, every month, answer the following questions. (i) (iii) L A N What is the amount paid by Rishi in 30th instalment? Determine the amount paid by Rishi in 30 instalments. OR Find the difference between the amount paid in the 25th instalment and 15th instalments. What is the ratio of the 1st instalment to the 40th instalment?​