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.

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.

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.

Mr. Sonu has a recurring deposit account and deposits Rs. 750 per month for 2 years. If he gets Rs. 19125 at the time of maturity, find the rate of interest.

A man bought a certain number of chairs for Rs 10,000. He kept one for his own use and sold the rest at the rate Rs 50 more than he gave for one chair. Besides getting his own chair for nothing, he made a profit of Rs 450. How many chairs did he buy ?

Ahmed has a recurring deposit account in a bank. He deposits Rs 2,500 per month for 2 years. If the gets Rs 66,250 at the time of maturity, find : The rate of interest.

A farmer borrowed Rs 2400 at 12% interest per annum. At the end of 2 1/2 years, he cleared his account by paying Rs 1200 and a cow. Find the cost of the cow.