A farmer buys a used tractor for Rs 12000. He pays Rs 6000 cash and agreesto pay the balance in annual instalments of Rs 500 plus 12% interest on the unpaid amount. How much will the tractor cost him?

Shamshad Ali buys a scooterfor Rs 22000. He pays Rs 4000 cash and agreesto pay the balance in annual instalment of Rs 1 000 plus 10% interest on the unpaid amount. How much will the scooter cost him?

Nisha buys an old car for $44,000. She pays $16,000 cash and promises to pay the balance in 28 annual instalments of $ 1000 each along with interest due on unpaid. If the interest is charged at 10%, what will the car cost her ?

A T.V. can be purchased for Rs 24000 cash or for Rs 8000 cashdown payment and six monthly instalments of Rs 2800 each. Ali goes to market to buy TV under instalment scheme or to make cash payment by taking loan from some finanancial society. The society charges simple interest at the rate of 18% per annum simple interest. Which option is better for Ali?

A man starts repaying a loan as first instalment of Rs. 100. If he increases the instalment by Rs 5 every month, what amount he will pay in the 30th instalment?

Aman deposited Rs 10000 in a bank at the rate of 5% simple interest annually. Find the amount in 15th year since he deposited the amount and also calculate the total amount after 20 years.