A cashier has to count a bundle of Rs. 12,000 one rupee notes. He counts at the rate of Rs. 150 per minute for an hour, at the end of which he begins to count at the rate of Rs. 2 less every minute then he did the previous minute. Find how long he will take to finish his task and explain the double answer.

A man is employed to count Rs.10710. He counts at the rate of Rs.180 per minute for half an hour.After this he counts at the rate of Rs.3 less every minute than the preceding minute.Find the time taken by him to count the entire amount.

Rahamatchacha takes a loan amount of rupees 2,40,000 from a bank for constructing a building at the rate of simple interest of 12% per annum. After 1 year.of taking the loan he rents the house at the rate of 5200 rupees per month. Let us determine the number of yrs. he would take to repay his loan along with interest from the income of the houserent.

A farmer sold two bulls at the rate of Rs 18000 per bull. He gained 20% on one bull and lost 20% on the other. Find his total profit or loss percentage

Vijay had some bananas and he divided them into two lots A and B. He sold the first lot at the rate of RS. 2 for 3 bananas and the second lot at the rate of Rs 1 per banana and got a total of Rs. 400. If he had sold the first lot at the rate of Rs. 1 per banana and the second lot at the rate of Rs.4 for 5 bananas , his total collection would have been Rs 460. Find the total number of bananas he had.

A man buys a TV priced at Rs. 16000. He pays Rs. 4000 at once and the rest after 15 months on which he is charged a simple interest at the rate of 12% per year. Find the total amount he pays for the TV.